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Litmus Test: SciShow Experiments

Video vocabulary

counterintuitive

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US / kaʊntərɪn'tju:ɪtɪv /

UK / ˌkaʊntərɪn'tju:ɪtɪv /

C2
  • adjecitve
  • Contrary to what common sense would suggest

strain

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US / streɪn /

UK / stren /

B2
  • noun
  • Injury to a muscle, leg etc. through overuse
  • Type or variation of a disease or bacillus
  • verb
  • To remove the water from (food) using a colander
  • To injure a muscle, leg etc. by using it too much

chemistry

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US / 'kemɪstrɪ /

UK / ˈkɛmɪstri /

B1
  • noun
  • The study of the structure of substances

leave

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US / li:v /

UK / liv /

A1
  • noun
  • Permission to do something
  • Vacation time; time off work
  • verb
  • To go away from; depart
  • To gift property to someone after you die
  • To allow something to continue happening
  • To let something remain unused or available
  • To let something or someone remain somewhere

anything

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US / ˈeniθɪŋ /

UK / ˈɛniˌθɪŋ /

A1
  • pronoun
  • A thing of any kind

large

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US / lɑ:dʒ /

UK / lɑ:rdʒ /

A1
  • adjecitve
  • Big; of great size; broad, tall, wide, or fat

most

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US / məʊst /

UK / most /

A1
  • adverb
  • Very; extremely
  • Greatest possible degree
  • pronoun
  • Nearly all of something

keep

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US / ki:p /

UK / kip /

A1
  • noun
  • Large, strong tower in the middle of a castle
  • Money spent on you so you can live in a place
  • verb
  • To continue doing something; not to stop
  • To stop balls going in a goal in sports
  • To not give back or return something
  • (Of food) to not spoil or not rot
  • To take possession of something to own, e.g. a pet
  • To have and continue to hold something
  • To do something that you have promised or agreed
  • To stay in a certain place or condition
  • To maintain the rules

another

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US / əˈnʌðə(r) /

UK / əˈnʌðɚ /

A1
  • adjecitve
  • One more, but not this
  • determiner
  • One more added
  • pronoun
  • One more (thing)

over

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US / 'əʊvə(r) /

UK / ˈovɚ /

A1
  • adverb
  • Finished; no longer happening
  • Towards the ground/away from a standing position
  • noun
  • A set of six consecutive balls bowled in cricket
  • other
  • Finished
  • preposition
  • Showing the relation when a thing is above another
  • On or covering something
  • Above or across something
  • More than you need
  • From one side to the other
  • In the direction of; toward

help

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US / help /

UK / hɛlp /

A1
  • noun
  • Something given to enable a person to do something
  • Assistance given to someone in need
  • Someone who makes something easier or possible
  • verb
  • To act to enable a person to do something; assist
  • To make something better or less difficult

environment

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US / ɪn'vaɪrənmənt /

UK / ɛnˈvaɪrənmənt, -ˈvaɪən- /

A1
  • noun
  • Natural world in which plants and animals live
  • The entire surrounding conditions of something

real

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US / rɪəl /

UK / ˈriəl, ril /

A1
  • adjecitve
  • Actually existing or happening, not imagined
  • Being important or special

lot

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US / lɒt /

UK / lɑt /

A1
  • noun
  • What happens to a person in life from chance; fate
  • A group of people seen together
  • Item for sale at an auction
  • Small area of land used for a purpose e.g. parking

pigment

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US / 'pɪɡmənt /

UK / ˈpɪɡmənt /

B2
  • noun
  • Substance that makes things have a certain color

slash

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US / slæʃ /

UK / slæʃ /

B2
  • noun
  • Line ( / ) used in writing
  • Long, deep cut, caused by a sharp object
  • verb
  • To cut violently with a sharp object
  • To decrease something by a large amount

evenly

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US / ˈi:vnli /

UK / ˈivənlɪ /

B2
  • adverb
  • Equally; with advantage to both sides
  • In a smooth, level or regular way
  • In a regular, steady, and equally paced manner

electron

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US / ɪˈlektrɒn /

UK / ɪˈlektrɑ:n /

B2
  • noun
  • A negatively charged particle

company

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US / 'kʌmpənɪ /

UK / ˈkʌmpəni /

A1
  • noun
  • Good feeling from being with someone else
  • A business that sells things or provides services
  • Guests, especially in your home
  • Being with another person rather than alone

something

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US / ˈsʌmθɪŋ /

UK / ˈsʌmθɪŋ /

A1
  • adverb
  • In some degree or measure
  • noun
  • a person or thing of some value or consequence
  • pronoun
  • Thing that is not yet known or named
  • Approximately

and

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US / ənd /

UK / ənd, ən,ænd /

A1
  • conjunction
  • Used to refer to two or more things
  • Plus; in addition; on top of that
  • Used to introduce an action that follows another

any

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US / 'enɪ /

UK / ˈɛni /

A1
  • adjecitve
  • One, or some, no matter which
  • pronoun
  • One (thing) of many; some

bloody

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US / 'blʌdɪ /

UK / ˈblʌdi /

A2
  • adjecitve
  • Covered or spotted with blood on the surface
  • A word used when swearing or cursing
  • Violent and causing death

until

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US / ənˈtɪl /

UK / ʌnˈtɪl /

A1
  • conjunction
  • Up to; to a time when something happens
  • preposition
  • Before (a specific time)

autumn

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US / ˈɔ:təm /

UK / ˈɔtəm /

A1
  • noun
  • The season when leaves fall off trees

lemon

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US / 'lemən /

UK / ˈlɛmən /

B2
  • noun
  • Badly made or poorly functioning product
  • Small yellow fruit with sour juice

two

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US / tu: /

UK / tu /

A1
  • number
  • 2

experiment

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US / ɪk'sperɪmənt /

UK / ɪkˈspɛrəmənt /

A2
  • noun
  • Test performed to assess new ideas or theories
  • verb
  • To create and perform tests to research something
  • To try something new that you haven't tried before

base

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US / beɪs /

UK / bes /

A2
  • noun
  • Place military personnel live, train, and operate
  • Bottom part of an object that touches a surface
  • Unit of counting, e.g. 10 for counting
  • Most important idea or ingredient to add others
  • Origin or start from which something came
  • Main place where an organization or a person works
  • verb
  • To use as the starting point or origin for
  • To have as the main location for (company, etc.)

call

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US / kɔ:l /

UK / kɔl /

A1
  • noun
  • A order or request for action
  • The sound an animal makes, often when in danger
  • A correct prediction, e.g. a decision in a game
  • A short visit to a place or person
  • A decision by a referee or umpire in a game
  • verb
  • To make a request or order for action
  • (Animal) to make sounds to warn of danger
  • To announce the date of an election
  • To make a judgment about something
  • To give someone or something a name
  • To guess in advance the result or outcome
  • To visit a place or person for a short time
  • To phone someone
  • To speak, announce or shout in a loud voice

out

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US / aʊt /

UK / aʊt /

A1
  • adverb
  • No longer stylish (e.g. fashion)
  • Away from home, business, or the usual place
  • In a direction/movement away from inside or center
  • noun
  • Act when a batter cannot continue playing
  • verb
  • To tell people a secret

from

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US / frəm /

UK / frʌm, frɑm,frəm /

A1
  • preposition
  • Starting at a particular place, time or level

pansy

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US / ˈpænzi /

UK / 'pænzɪ /

C1
  • adjecitve
  • Large-flowered garden plant with velvety petals
  • noun
  • Person's name

check

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US / tʃek /

UK / tʃɛk /

A1
  • adjecitve
  • Decorated with squares made up of lines
  • noun
  • Paper showing how much you owe at a restaurant
  • Printed piece of paper you sign to pay for things
  • A mark on a form, equivalent to 'yes'; tick
  • Mark used to show that something is correct
  • Procedure to prevent errors or control something
  • verb
  • To confirm the details of something are correct
  • To leave your things with staff who look after it
  • To examine something to see if something is wrong
  • To examine in order to prevent errors/a problem

hello

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US / hə'ləʊ /

UK / hɛˈlo, hə- /

A1
  • exclamation
  • What you say when you meet someone

determine

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US / dɪ'tɜ:mɪn /

UK / dɪˈtɚmɪn /

A2
  • verb
  • To control exactly how something will be or act
  • To establish the facts about; discover

much

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US / mʌtʃ /

UK / mʌtʃ /

A1
  • adjecitve
  • Very; to a high level or degree
  • adverb
  • A lot; large amount; a high degree of
  • Nearly; basically
  • On many occasions; often
  • noun
  • A large amount; a great quantity

test

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US / test /

UK / test /

A1
  • noun
  • A medical examination
  • Action to establish the truth or nature of
  • Examination; questions to measure knowledge
  • verb
  • To be given a medical examination
  • To try to establish the truth or nature of
  • To ask a series of questions to measure knowledge

talk

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US / tɔ:k /

UK / tɔk /

A1
  • noun
  • Style of speaking
  • Discussion between two countries
  • Giving information in front of people; lecture
  • Saying things or ideas to someone with words
  • verb
  • To make a formal speech about something
  • To say things or ideas to someone with words

piece

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US / pi:s /

UK / pis /

A1
  • noun
  • A counter in a board game
  • Small part of something larger
  • verb
  • To put items together to assemble something

just

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US / dʒʌst /

UK / dʒʌst /

A1
  • adjecitve
  • Proper or appropriate; as is deserved
  • Doing or being what is right or fair
  • Legally correct; having enough evidence
  • adverb
  • Almost; nearly
  • Exactly at the time of
  • Exactly (the same as, like)

coleslaw

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US / ˈkəʊlslɔ: /

UK / ˈkoʊlslɔ: /

C2
  • noun
  • Finely cut cabbage, etc. in mayonnaise

question

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US / 'kwestʃən /

UK / ˈkwɛstʃən /

A1
  • noun
  • Issue or problems you are dealing with
  • What you ask about; issue
  • verb
  • To ask for or try to get information
  • To have or express concerns or uncertainty

superficial

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US / ˌsu:pəˈfɪʃl /

UK / ˌsupɚˈfɪʃəl /

C2
  • adjecitve
  • On the surface only; not deep

litmus

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US / ˈlɪtməs /

UK / ˈlɪtməs /

C2
  • noun
  • Die that goes red in acid, blue in alkali

depend

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US / dɪˈpend /

UK / dɪˈpend /

B1
  • verb
  • Be controlled or determined by (someone/something)

for

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US / fə(r) /

UK / fɔr,fə /

A1
  • preposition
  • Used to show the purpose, or need of something

amount

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US / ə'maʊnt /

UK / əˈmaʊnt /

A1
  • noun
  • Quantity of something
  • verb
  • To add up to a certain figure

yourself

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US / jɔ:ˈself /

UK / jʊrˈsɛlf, jɔr-, jor-, jə- /

A1
  • pronoun
  • Reflexive form of 'you', used for an emphasis

home

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US / həʊm /

UK / hom /

A1
  • adjecitve
  • A sports team's own field or place of play
  • adverb
  • Into the correct or intended position
  • noun
  • House, apartment or building to be rented or sold
  • Institution for sick or elderly people
  • Place where a person or a family lives
  • Country where a person lives or was born
  • Region that is native to peoples, plant or animals
  • verb
  • To move towards a particular target location

stable

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US / 'steɪbl /

UK / ˈstebəl /

A2
  • adjecitve
  • In a position where something does not fall over
  • Having a chemical state that is not easily changed
  • Reacting in an even way; having good mental health
  • In good condition, and not likely to deteriorate
  • noun
  • Group of racing horses that belong to one owner
  • verb
  • To put horses in a stable

microwave

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US / ˈmaɪkrəweɪv /

UK / ˈmaɪkrəˌwev /

B1
  • noun
  • Cooking appliance using electromagnetic waves
  • Concerning electromagnetic radiation
  • verb
  • To heat or cook something in a microwave

water

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US / 'wɔ:tə(r) /

UK / ˈwɔtɚ, ˈwɑtɚ /

A1
  • noun
  • Clear liquid that forms the seas, rivers and rain
  • Large area such as an ocean or sea
  • verb
  • (Of the eyes) to produce tears
  • (Mouth) to become wet at the thought of nice food
  • To pour liquids onto a plant to keep it alive

since

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US / sɪns /

UK / sɪns /

A1
  • adverb
  • At a point before the present time
  • conjunction
  • For this reason; because
  • preposition
  • From the time in the past that

smart

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US / smɑ:t /

UK / smɑ:rt /

A2
  • adjecitve
  • Fashionable; well-dressed; well-groomed
  • Looking clean, neat and stylish
  • (Of phones, weapons) with clever features
  • Associated with rich, popular and stylish people
  • Clever; with intelligence
  • adverb
  • Energetic or quick in motion or movement
  • In a clever way; with intelligence
  • noun
  • Feeling of being hurt and upset
  • Sharp, burning pain
  • verb
  • To feel hurt or upset
  • To hurt with an unexpected sharp or burning pain

acidic

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US / əˈsɪdɪk /

UK / əˈsɪdɪk /

B1
  • adjecitve
  • Containing acid

worth

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US / wɜ:θ /

UK / wɚθ /

A2
  • other
  • the financial, practical or moral value of somebody/something
  • having a particular value, especially in money

green

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US / gri:n /

UK / ɡrin /

A1
  • adjecitve
  • Color of young leaves
  • Covered with vegetation, e.g. grass
  • Concerned about protecting the environment
  • The color of young leaves
  • Lacking in experience/knowledge due to being young
  • Being not fully grown or ripe, as in fruit
  • noun
  • Large grassy area
  • used as a part of a name of a place (UK)

sorry

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US / ˈsɒri /

UK / ˈsɑ:ri /

A1
  • exclamation
  • What you say to admit you were wrong
  • adjecitve
  • Causing others to feel pity; poor
  • Feeling regret or sympathy about wrong thing

acidity

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US / əˈsɪdəti /

UK / əˈsɪdɪti /

B1
  • noun
  • Level to which something is acidic

proton

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US / ˈprəʊtɒn /

UK / ˈproʊtɑ:n /

B2
  • noun
  • Tiny part of atom with positive electrical charge

situation

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US / ˌsɪtʃuˈeɪʃn /

UK / ˌsɪtʃuˈeʃən /

A1
  • noun
  • Place, position or area that something is in
  • Circumstance or condition surrounding an event
  • An unexpected problem or difficulty

coffee

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US / ˈkɒfi /

UK / ˈkɔ:fi /

A1
  • adjecitve
  • A brown chocolate color
  • noun
  • A brown drink made from roasted beans and water

scishow

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US / ə'lɜ:tnəs /

UK / ə'lɜ:tnəs /

A1

dye

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US / daɪ /

UK / daɪ /

B1
  • noun
  • A liquid that colors hair, cloth etc.
  • verb
  • To make (hair, leather) colored by using chemicals

change

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US / tʃeɪndʒ /

UK / tʃendʒ /

A1
  • noun
  • Exchange of one set of clothes for another
  • Money in the form of coins instead of paper
  • Money returned after giving too much
  • Act of making or becoming something else
  • verb
  • To exchange one set of clothes for another
  • To exchange one kind of money for another
  • To replace something with another thing
  • To make or become something else
  • To go from one train, bus, etc. and go to another

paper

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US / ˈpeɪpə(r) /

UK / ˈpeɪpər /

A1
  • adjecitve
  • Not existing in reality, or done infrequently
  • Made from the material that we use to make books
  • noun
  • Academic writing or a talk on a specific topic
  • Written test
  • Newspaper
  • Pages of a book are made from this

pretty

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US / 'prɪtɪ /

UK / ˈprɪti /

A1
  • adjecitve
  • Being attractive to the eye in a simple way
  • adverb
  • Very; to a great degree

laboratory

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US / lə'bɒrətrɪ /

UK / ˈlæbrəˌtɔri, -ˌtori /

B1
  • noun
  • A place to do scientific experiments

thank

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US / θæŋk /

UK / θæŋk /

A1
  • verb
  • To tell someone you are grateful to them

batch

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US / bætʃ /

UK / bætʃ /

B2
  • noun
  • Amount of something that is produced at one time
  • A group of things made or done together
  • verb
  • To combine or arrange together into a group

speed

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US / spi:d /

UK / spid /

A2
  • noun
  • How fast or slow something is or is done
  • verb
  • To move quickly when completing an action
  • To drive a vehicle faster than laws allow

everything

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US / 'evrɪθɪŋ /

UK / ˈɛvriˌθɪŋ /

A1
  • pronoun
  • All of the things mentioned

cabbage

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US / ˈkæbɪdʒ /

UK / ˈkæbɪdʒ /

B2
  • noun
  • Round green vegetable with tightly packed leaves

nice

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US / naɪs /

UK / naɪs /

A1
  • adjecitve
  • Being attractive or of high quality or value
  • Good or enjoyable
  • Being kind or friendly

all

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US / ɔ:l /

UK / ɔl /

A1
  • adverb
  • Completely; totally
  • determiner
  • Being every one of something
  • pronoun
  • 100% of something; the complete amount

take

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US / teɪk /

UK / tek /

A1
  • noun
  • Filming of a single scene for TV or the movies
  • verb
  • To accept something that is offered
  • To use a method of traveling, e.g. a bus or train
  • To use a camera to make (a photo)
  • To pick up something and go away with it
  • To study a subject in school
  • To attempt to pass (an exam)
  • To require a certain amount of time, money, space

its

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US / ɪts /

UK / ɪts /

A1
  • adjecitve
  • Referring to or belonging to ‘it’
  • determiner
  • Of something; belonging or related to something
  • other
  • Possessive form of “it”

way

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US / weɪ /

UK / we /

A1
  • adverb
  • Used to emphasize the amount of something
  • noun
  • Particular aspect of something being thought about
  • One of various choices that could be made
  • Particular existing condition or state
  • (Often long) distance or length of time
  • How something is done
  • Route to go to a place
  • Small street
  • Usual behavior, emotions or habits of someone

work

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US / wɜ:k /

UK / wɚk /

A1
  • adjecitve
  • Activity completed in order to make money
  • noun
  • The product of some artistic or literary endeavor
  • Everything created by an author, artist, musician
  • Activity you do in order to make money
  • Place of employment
  • Final product or result of a some labor or effort
  • verb
  • To bring into a specific state of success
  • To be functioning properly, e.g. a car
  • To do your job in your company or workplace
  • To make an effort to do something
  • To operate a machine or device

dry

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US / draɪ /

UK / draɪ /

A1
  • adjecitve
  • (Of humor) clever, but not obvious; ironic
  • Without water; not wet
  • (Of wine, etc.) not sweet
  • Without butter or jam
  • verb
  • To remove liquid or water from something

else

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US / els /

UK / ɛls /

A1
  • adverb
  • Otherwise; if you fail to
  • (Of person place thing etc.) besides; in addition

court

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US / kɔ:t /

UK / kɔrt, kort /

A2
  • noun
  • Place king or queen meet people, makes laws etc.
  • Place where legal cases are decided
  • Large, flat area, to play tennis or basketball
  • verb
  • To act in a way to shows you wish to marry someone
  • To encourage dangerous behavior
  • To pay attention to someone to get their support

hank

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US / hæŋk /

UK / hæŋk /

A1
  • other
  • A coil of rope or wool or yarn

common

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US / 'kɒmən /

UK / ˈkɑmən /

A1
  • adjecitve
  • Shared; Belonging to or used by everyone
  • Typical, normal; not unusual
  • noun
  • Area in a city or town that is open to everyone
  • Field near a village owned by the local community

red

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US / red /

UK / rɛd /

A1
  • adjecitve
  • Being the color of blood

atom

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US / 'ætəm /

UK / ˈætəm /

B1
  • noun
  • Smallest bit that matter can be broken down into

they

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US / ðeɪ /

UK / ðe /

A1
  • pronoun
  • Two or more people, animals, or things

supreme

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US / su:ˈpri:m /

UK / sʊˈprim /

B1
  • adjecitve
  • Greatest in degree/nature/quality; absolute best
  • Holding the highest power, status or authority

want

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US / wɔnt /

UK / wɑnt, wɔnt /

A1
  • noun
  • Something you desire or wish for
  • State or condition of poverty
  • verb
  • To desire or wish for something; hope for a thing

alkalinity

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US / ˌælkəˈlɪnəti /

UK / ˌælkəˈlɪnəti /

C1
  • noun
  • Quality of being alkaline

now

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US / naʊ /

UK / naʊ /

A1
  • adverb
  • At the present time or moment
  • Right away or in the next possible moment
  • Used to refer to something that just happened
  • Time between the present and a moment in the past
  • conjunction
  • Resulting from or because of something

really

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US / ˈri:əli /

UK / ˈriəˌli, ˈrili /

A1
  • adverb
  • Used to stress something that is said; definitely
  • In a true or accurate manner
  • Very

ion

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US / 'aɪən /

UK / ˈaɪən /

B2
  • noun
  • Atoms with either a positive or negative charge

hat

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US / hæt /

UK / hæt /

A1
  • noun
  • Item of clothing worn on your head

reddish

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US / 'redɪʃ /

UK / ˈrɛdɪʃ /

A2
  • adjecitve
  • Being slightly red

raw

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US / rɔ: /

UK / rɔ /

B1
  • adjecitve
  • Being uncontrolled or strong, as your emotions
  • Being inexperienced
  • Being in a natural or unchanged state
  • (Of skin) being red and sore on the surface
  • (Of foods) uncooked

become

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US / bɪ'kʌm /

UK / bɪˈkʌm /

A1
  • verb
  • To begin to be; grow to be; develop into
  • To be suitable for a particular job or role

not

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US / nɒt /

UK / nɑt /

A1
  • adverb
  • Word indicating the negative
  • (Used to form the negative of verbs)

politic

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US / ˈpɒlətɪk /

UK / ˈpɑlɪtɪk /

B2
  • adjecitve
  • Careful what you say; diplomatic

color

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US / 'kʌlə(r) /

UK / ˈkʌlɚ /

A1
  • noun
  • Quality of things you can see, e.g. red, blue
  • Pink or red in your face, e.g. after being ill
  • The shade of someone's skin e.g. black, or yellow
  • verb
  • To change or affect someone's opinion
  • To make something colorful using colored pencils

cut

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US / kʌt /

UK / kʌt /

A1
  • noun
  • Act/instance of reducing the size or amount of
  • Small opening made using a sharp object, knife
  • A wound on someone's skin caused by a sharp object
  • verb
  • To reduce the size or amount of something
  • To use knife or scissors to divide, open surfaces

yellow

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US / ˈjeləʊ /

UK / ˈjeloʊ /

A1
  • adjecitve
  • Color of lemons or the sun
  • Lacking in courage; cowardly (used as an INSULT)
  • verb
  • To turn yellow, often due to being old

plain

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US / pleɪn /

UK / plen /

A1
  • adjecitve
  • Obvious; clearly so, true
  • Very simple, ordinary; not decorated; not striped
  • noun
  • Wide open area of flat, dry land

sense

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US / sens /

UK / sɛns /

A1
  • noun
  • Certain mental feeling or emotion
  • Normal or clear state of mind
  • Meaning of a particular word, phrase or text
  • verb
  • To perceive using sight, sound, taste touch etc.
  • To recognize the presence of something

neutral

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US / ˈnju:trəl /

UK / ˈnu:trəl /

B1
  • adjecitve
  • Something with pH value of 7
  • Having no positive or negative electrical charge
  • Not supporting either side in a war, etc.
  • Not taking either side in a debate; not involved
  • noun
  • Color that is dull and not bright, such as gray
  • The rest position for gears in a car or vehicle
  • Person/country not supporting a side in a war, etc.

pick

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US / pɪk /

UK / pɪk /

A1
  • noun
  • Sharp tool used for breaking the ground
  • Item selected from a group of choices
  • verb
  • To take fruit or vegetables from a plant or tree
  • To decide on a thing from various choices; select
  • To remove (flower, etc.) with your fingers

subscribe

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US / səb'skraɪb /

UK / səbˈskraɪb /

B1
  • verb
  • To regularly pay to receive a service

but

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US / bət /

UK / bʌt,bət /

A1
  • conjunction
  • Used before you say something different, opposite

same

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US / seɪm /

UK / sem /

A1
  • adjecitve
  • Being equal in quality and amount
  • Identical; not different
  • Not changing; constant

facebook

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US / 'feɪsbʊk /

UK / 'feɪsbʊk /

A1
  • intransitive verb
  • Spend time using the social media application Facebook.

can

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US / kæn /

UK / kən,kæn /

A1
  • noun
  • A metal container for storing food
  • other
  • Able to; have the skill to; have the time to
  • verb
  • To have permission to
  • To be possible to do
  • To preserve food by sealing it in a metal container

make

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US / meɪk /

UK / mek /

A1
  • noun
  • Product made by a particular company; brand
  • verb
  • To arrange or prepare something e.g. dinner
  • To get to (a place) on time
  • To gain the status of (teacher, lawyer, etc.)
  • To create something by putting things together
  • To earn a certain amount of money at a job
  • To cause or force a person to do something
  • To cause something to happen or be formed

how

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US / haʊ /

UK / haʊ /

A1
  • adjecitve
  • To what degree? in what amount?
  • adverb
  • (Used to explain the way to do something)
  • exclamation
  • For what purpose or reason?
  • (Used to ask someone or something's condition)

you

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US / jʊ /

UK / ju /

A1
  • pronoun
  • Person someone is speaking or writing to
  • Person or people in general

turn

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US / tɜ:n /

UK / tɚn /

A1
  • noun
  • Place where changing of direction happens
  • Your time or chance to perform a duty
  • Your chance to play or do in say a game
  • Unexpected change, as in the weather
  • verb
  • To become (a particular age)
  • To become a different quality, color, etc.
  • To change the direction of something, e.g. a car
  • To move in an opposite direction or position
  • To shape metal with a spinning tool

this

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US / ðɪs /

UK / ðɪs /

A1
  • adjecitve
  • Used to indicate something already been discussed
  • Used to indicate something happening around now
  • adverb
  • An indication by a physical motion or gesture
  • A specific amount of
  • determiner
  • Person, thing, or idea near you
  • pronoun
  • Person, thing that has already been discussed

the

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US / ðə /

UK / ðə /

A1
  • article
  • Used to refer to something already mentioned
  • Used to show there is only one of something
  • determiner
  • Used to describe all of a family

below

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US / bɪ'ləʊ /

UK / bɪˈlo /

A1
  • preposition
  • In a lower position, place, or level

lichen

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US / ˈlaɪkən /

UK / ˈlaɪkən /

A1
  • noun
  • Green, yellow or grey flat plant on rocks/trees

natural

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US / ˈnætʃərəl /

UK / ˈnætʃərəl, ˈnætʃrəl /

A1
  • adjecitve
  • Being as one would expect; being usual or normal
  • Not made by humans; without human intervention

freak

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US / friːk /

UK / friːk /

B2
  • adjecitve
  • (Of weather, etc.) unusual; unpredictable; amazing
  • noun
  • verb

person

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US / 'pɜ:sn /

UK / 'pɜ:rsn /

A1
  • noun
  • Man, woman or child

solution

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US / səˈlu:ʃn /

UK / səˈluʃən /

A2
  • noun
  • Mix of a liquid and a solid or a gas
  • Way to solve or deal with a problem

filter

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US / 'fɪltə(r) /

UK / ˈfɪltɚ /

B1
  • noun
  • Device to remove certain types of light, sound
  • Device to remove unwanted things from liquid, gas
  • verb
  • To remove certain types of light, sound
  • To remove unwanted substances from a liquid or gas

one

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US / wʌn /

UK / wʌn /

A1
  • pronoun
  • You; we; people in general; someone
  • The thing or person previously referred to
  • adjecitve
  • Used to refer to people generally
  • Being a strong example of (something mentioned)
  • number
  • Number 1

plant

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US / plɑ:nt /

UK / plænt /

A2
  • noun
  • Factory or a place where things are made
  • Living thing with leaves and roots growing in soil
  • verb
  • To firmly position something (in the ground)
  • To put seeds, flowers, trees in the ground

may

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US / meɪ /

UK / me /

A1
  • noun
  • 5th month of the year
  • other
  • Used to express a desire
  • Expresses permission, possibility or probability
  • Used to show that a thing could be true

other

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US / 'ʌðə(r) /

UK / ˈʌðər /

A1
  • adjecitve
  • A thing different from that mentioned
  • determiner
  • (Something) else; not the first (one)
  • pronoun
  • Being the one and only thing of that category

let

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US / let /

UK / lɛt /

A1
  • verb
  • To allow someone to do something
  • Introducing a suggestion to do something together
  • To rent a house, etc. to others

into

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US / 'ɪntə /

UK / ˈɪntu /

A1
  • preposition
  • Moving or going inside something
  • In the same direction as; in the direction of
  • So as to become; taking the state of

bad

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US / bæd /

UK / bæd /

A1
  • adjecitve
  • Not good; wrong
  • Lacking in good morals; evil
  • No longer fresh; spoiled

juice

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US / dʒu:s /

UK / dʒus /

A2
  • noun
  • Liquids (often squeezed from vegetables, fruit)
  • Something that supplies power, e.g. electricity

comment

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US / 'kɒment /

UK / ˈkɑmɛnt /

A2
  • noun
  • Something you say, giving an opinion; remark
  • verb
  • To say something that gives your opinion

people

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US / 'pi:pl /

UK / ˈpipəl /

A1
  • noun
  • Persons sharing culture, country, background, etc.
  • Men, Women, Children

get

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US / ɡet /

UK / ɡɛt /

A1
  • verb
  • To become affected by illness or disease
  • To begin to feel or understand an emotion or idea
  • To send or bring someone or something home, etc.
  • To go somewhere to obtain something
  • To (cause to) do a particular thing
  • To obtain, receive or be given something
  • To currently have
  • To prepare for use
  • To understand something being said or read

what

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US / wɒt /

UK / hwɑt, hwʌt, wɔt, wʌt,hwət, wət /

A1
  • pronoun
  • Thing or things that; the same kind as
  • Used to emphasize something you are about to say
  • adjecitve
  • Used to refer to a particular amount, or number
  • Used to place emphasis on a particular quality
  • adverb
  • To a certain degree
  • determiner
  • Question words used for asking for information
  • exclamation
  • Used to express excitement, shock, or surprise
  • Used to ask people to repeat something they said

watch

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US / wɒtʃ /

UK / wɑtʃ /

A1
  • noun
  • Period of time someone is responsible for guarding
  • Device you wear on your wrist that shows the time
  • Official warning statement, e.g. of bad weather
  • verb
  • To keep in check, manage, or control something
  • To look at something for entertainment, e.g. TV
  • To guard a place or people; protect child, etc.
  • To look at carefully to work out what is happening
  • To protect and care for someone or something

similar

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US / ˈsɪmələ(r) /

UK / ˈsɪməlɚ /

A1
  • adjecitve
  • Nearly the same; alike

like

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US / laɪk /

UK / laɪk /

A1
  • adjecitve
  • Being equal in status or kind to something else
  • Similar; the same
  • adverb
  • For example
  • preposition
  • Used as a filler; used to ad emphasis
  • In a way similar to the way something is done
  • Such as; for example
  • verb
  • To want to
  • To find something pleasing; to prefer something

method

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US / 'meθəd /

UK / ˈmɛθəd /

A2
  • noun
  • (Organized and planned) way of doing something

liberal

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US / 'lɪbərəl /

UK / ˈlɪbərəl, ˈlɪbrəl /

B1
  • adjecitve
  • Open-minded; willing to hear others' opinions
  • Political party for freedom and social change
  • Supporting progress and social change
  • Not being strict
  • noun
  • Someone who is open-minded and favors progress

lab

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US / læb /

UK / læb /

B1
  • noun
  • Short for 'laboratory'

own

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US / əʊn /

UK / on /

A1
  • adjecitve
  • Belong to oneself
  • determiner
  • Yours, his, hers, etc.; not belonging to another
  • pronoun
  • (Something) belong to myself
  • verb
  • To have something as your property

mean

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US / mi:n /

UK / min /

A1
  • adjecitve
  • Being good at
  • Nasty; unkind
  • Not liking to spend money; cheap; stingy
  • noun
  • Average of a set of numbers
  • verb
  • To express a particular idea or thought
  • To intend to do something in particular
  • To have a particular meaning or value

again

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US / ə'ɡen /

UK / əˈɡɛn /

A1
  • adverb
  • One more time, once more

about

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US / ə'baʊt /

UK / əˈbaʊt /

A1
  • adverb
  • To be ready to; going to
  • Nearly; approximately; roughly
  • Near; next to; close to
  • In every direction; in the area of
  • preposition
  • Concerning or of (a topic)

find

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US / faɪnd /

UK / faɪnd /

A1
  • noun
  • Object discovered by chance
  • Things that have been discovered from searching
  • verb
  • To become aware of something that is happening
  • To discover or meet by chance
  • To decide if someone is guilty of a crime, or not
  • To learn through study, research, or effort
  • To discover something by looking for it

happen

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US / 'hæpən /

UK / ˈhæpən /

A1
  • verb
  • To take place or occur

conservative

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US / kənˈsɜ:vətɪv /

UK / kənˈsɚvətɪv /

B1
  • adjecitve
  • (Of an estimate, price) set fairly low
  • Resistant to change
  • noun
  • Person with traditional ideas; doesn't like change

anthocyanin

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US / ˌænθə'saɪənɪn /

UK / ˌænθə'saɪənɪn /

A1
  • noun

that

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US / ðæt /

UK / ðæt, ðət /

A1
  • adjecitve
  • The person or thing being talked about
  • Used to identify something both the speakers know
  • adverb
  • Used to reinforce adjectives and adverbs
  • To such a degree
  • conjunction
  • Used to connect a noun clause
  • Used to introduce an adverbial clause
  • Used to introduce a noun clause
  • determiner
  • Used as a noun to refer to something
  • pronoun
  • Referring an object far away
  • Used to refer to the relative pronoun ‘which’

grocery

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US / 'ɡrəʊsərɪ /

UK / 'ɡroʊsərɪ /

B2
  • noun
  • Daily foods such as flour, sugar, and tinned foods

hydrogen

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US / ˈhaɪdrədʒən /

UK / ˈhaɪdrədʒən /

B1
  • noun
  • Lightest of all chemical elements

purple

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US / 'pɜ:pl /

UK / ˈpɚpəl /

A1
  • adjecitve
  • Being a color that is a mixture of red and blue

enough

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US / ɪˈnʌf /

UK / ɪˈnʌf /

A1
  • adjecitve
  • Sufficient to answer the need
  • adverb
  • To a satisfactory degree
  • pronoun
  • Equal to what is needed; as much as required
  • Adequate number or amount

then

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US / ðen /

UK / ðɛn /

A1
  • adverb
  • A time that is not now
  • Following another thing in time or arrangement
  • Following on reasonably from what was just stated
  • At that time, not now

consider

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US / kən'sɪdə(r) /

UK / kənˈsɪdər /

A1
  • verb
  • To think carefully about something

itself

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US / ɪtˈself /

UK / ɪtˈsɛlf /

A1
  • pronoun
  • Referring to it

team

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US / ti:m /

UK / tim /

A1
  • noun
  • Group of people working on a task together
  • Group of people playing a sport together

while

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US / waɪl /

UK / hwaɪl, waɪl /

A1
  • conjunction
  • In spite of the fact that; although
  • During the time that; at the same time
  • noun
  • Short amount of time

should

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US / ʃʊd /

UK / ʃʊd /

A1
  • other
  • Used to indicate what is proper or reasonable

basic

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US / 'beɪsɪk /

UK / ˈbesɪk /

A1
  • adjecitve
  • At the most important or easiest (beginner) level

will

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US / wɪl /

UK / wɪl /

A1
  • noun
  • Desire or choice of someone
  • Document saying who gets your money when you die
  • Strong desire to do something; determination
  • Desire to do something; strong wish to do
  • other
  • Used with verbs to express the future
  • verb
  • To leave property to someone after your death
  • To use mental effort to make something happen
  • Am (is, are) likely to do
  • To influence someone to do something
  • To make something happen by strongly wanting it

many

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US / 'menɪ /

UK / ˈmɛni /

A1
  • determiner
  • Used to refer a large number of things

someone

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US / ˈsʌmwʌn /

UK / ˈsʌmˌwʌn, -wən /

A1
  • pronoun
  • Person who is not known or named

cook

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US / kʊk /

UK / kʊk /

A1
  • noun
  • A person who prepares food
  • Person's name
  • verb
  • To heat food until it is ready to eat

actually

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US / ˈæktʃuəli /

UK / ˈæktʃuəli /

A1
  • adverb
  • Used to add new (often different) information

use

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US / ju:s /

UK / ju:s /

A1
  • noun
  • Ability to employ something
  • Need to enable it to work
  • Permission to do something with something
  • Act of spending money
  • Operation of a machine for its function
  • verb
  • To have; to eat, drink, consume etc.
  • To need to operate or work
  • To operate a machine, e.g. a computer
  • To treat a person badly
  • To do something with, for a task or purpose

here

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US / hɪə(r) /

UK / hɪr /

A1
  • adverb
  • In this place; at this location, position or time

soft

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US / sɒft /

UK / sɔft, sɑft /

A2
  • adjecitve
  • Having flowing curves rather than sharp edges
  • Easy to press, bend or cut; not hard or firm
  • Showing a sympathetic and gentle heart
  • Not rough to the touch; light in feel
  • (Of lights, music) not too bright; not too loud

contain

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US / kənˈteɪn /

UK / kənˈten /

A2
  • verb
  • To keep something from spreading
  • To hold something inside something else

small

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US / smɔ:l /

UK / smɔl /

A1
  • adjecitve
  • Little in size; not big
  • (Of letters) not written in capital letters
  • Being insignificant or minor
  • (Of a business) with few people or things; local
  • (Of voice) being soft and quiet
  • (Of a child) being young

quick

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US / kwɪk /

UK / kwɪk /

A1
  • adjecitve
  • Using very little time; moving far in little time
  • Learning and understanding rapidly and easily

appear

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US / ə'pɪə(r) /

UK / əˈpɪr /

A1
  • verb
  • To be seen, become visible; come into sight
  • To seem to be
  • To act in a play, movie, or be mentioned in media

soda

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US / ˈsəʊdə /

UK / ˈsoʊdə /

B2
  • noun
  • Sweet bubbly flavored drink

burn

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US / bɜ:n /

UK / bɚn /

A1
  • noun
  • Damage from fire or heat
  • verb
  • To destroy with fire
  • To feel pain and heat
  • To use as fuel for a fire to make light or heat
  • To overcook food with too much heat it goes black

lose

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US / lu:z /

UK / luz /

A1
  • verb
  • To be unable to keep in check or control something
  • To decrease in value or quantity (e.g. weight)
  • To stop having certain qualities or abilities
  • To stop having or being entitled to
  • To fail to win something that is being contested
  • To be unable to find something you once had
  • To be dependent on someone (used with 'not')

supply

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US / sə'plaɪ /

UK / səˈplaɪ /

A2
  • noun
  • Availability of products and services for use
  • Specific things needed to perform a certain task
  • verb
  • To give or sell goods to others for their use

have

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US / həv /

UK / hæv /

A1
  • verb
  • To drink, smoke, eat or use something
  • To experience the effects of something
  • To organize an event, or join in an activity
  • To own, possess, or hold something
  • To cause to happen or produce a particular effect

wear

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US / weə(r) /

UK / wer /

A1
  • noun
  • Clothing designed for a purpose e.g. skiing
  • Damage from continual use over a long period
  • verb
  • To have clothes, glasses, shoes etc. on your body
  • To display an expression or emotion on the face
  • To become weaker or damaged from continued use

blood

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US / blʌd /

UK / blʌd /

A2
  • adjecitve
  • Related by birth; family
  • noun
  • Red liquid in the bodies of people and animals
  • verb
  • To be initiated into something, e.g. a secret club

low

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US / ləʊ /

UK / lo /

A1
  • adjecitve
  • Having a small quantity, supply, or amount
  • Being unhappy or unpleasant in attitude
  • Not high; being near the ground, or bottom
  • (Of a voice, sound) being soft; quiet
  • noun
  • Situation of not having a lot of something

onto

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US / ˈɒntə /

UK / ˈɑnˌtu, -tə, ˈɔn- /

A1
  • preposition
  • Towards a certain direction/into a certain area

enjoy

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US / ɪnˈdʒɔɪ /

UK / ɛnˈdʒɔɪ /

A1
  • verb
  • To take pleasure in something

often

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US / ˈɔfən /

UK / ˈɔfən,ˈɑfən,ˈɔftən,ˈɑf- /

A1
  • adverb
  • Many times; frequently; on many occasions

jacob

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US / ˈdʒeikəb /

UK / ˈdʒɛkəb /

A1
  • proper noun
  • (in the Bible) a Hebrew patriarch, the younger of the twin sons of Isaac and Rebecca, who persuaded

know

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US / nəʊ /

UK / noʊ /

A1
  • verb
  • To be familiar with a person or place, thing
  • To feel sure or be convinced about something
  • To discover or be aware of something
  • To be able to distinguish
  • To have knowledge of things

twitter

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US / ˈtwɪtə(r) /

UK / ˈtwɪtɚ /

C2
  • noun
  • An online messaging system
  • verb
  • To make small chattering sounds, like some birds

plate

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US / pleɪt /

UK / plet /

A2
  • noun
  • Flat dish used for eating or serving food
  • Smooth, thin piece of metal applied in a layer
  • Small, flat piece of metal with information on it
  • verb
  • To put a layer of metal on something to protect it

with

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US / wɪð /

UK / wɪð, wɪθ /

A1
  • preposition
  • As an employee of a certain company
  • Against something or someone
  • By using something as a means
  • Due to; because of
  • Including
  • Possessing as a feature
  • Related to
  • (Of the manner/attitude by which you do something)
  • Used to express that people or things are together

substance

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US / 'sʌbstəns /

UK / ˈsʌbstəns /

A2
  • noun
  • Essence of; most basic or central qualities
  • Particular type of material
  • Having material form; existing
  • Quality of truth, importance, or meaningfulness

peanut

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US / ˈpi:nʌt /

UK / ˈpiˌnʌt /

B2
  • noun
  • Edible small nut which grows under the ground

process

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US / prə'ses /

UK / ˈprɑsˌɛs, ˈproˌsɛs /

A2
  • noun
  • Dealing with official forms in the way required
  • Set of changes that occur slowly and naturally
  • verb
  • To organize and use data in a computer
  • To deal with official forms in the way required
  • To prepare by treating something in a certain way
  • To adopt a set of actions that produce a result
  • To convert by putting something through a machine

greenish

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US / ˈgri:nɪʃ /

UK / ˈɡrinɪʃ /

B1
  • adjecitve
  • Fairly green

store

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US / stɔ:(r) /

UK / stɔr, stor /

A2
  • noun
  • Place where things are kept for future use
  • Place where you can go to buy things
  • verb
  • To put things in a place for later use

hand

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US / hænd /

UK / hænd /

A1
  • noun
  • Cards given to a player in a card game
  • Piece of a clock that points to the time
  • Someone who performs physical tasks or work
  • Body part at the end of a person's arm
  • Help for someone performing a particular action
  • Condition of having power or influence
  • Member of the crew of a ship
  • verb
  • To give something to someone personally
  • Subtitles section
  • Hello, this is Hank with SciShow Experiments.
  • People often talk about a litmus test to mean a way of getting a really quick check on something or someone.
  • We use it most often in pretty superficial situations like politics or speed dating.
  • Is the person liberal or conservative?
  • Are they on Team Jacob or Team Edward?
  • Plain or peanut M&Ms?
  • But if you take any chemistry at all, you know that a litmus test is actually a method for determining the pH of a substance.
  • That's its alkalinity or its acidity.
  • PH is the concentration of protons or hydrogen ions in a solution.
  • Protons and hydrogen ions are the same thing.
  • Since hydrogen is just an electron and a proton, if a hydrogen atom loses an electron to become an ion, all that's left is the protons.
  • Same thing.
  • The more protons you have in a solution, the more acidic it is.
  • If you have a really high concentration of protons or low pH, sorry, counterintuitive, it'll freak out and burn your hand off.
  • A really low concentration of protons or high pH, and the solution will want more protons so bad that, again, it'll freak out and burn your hand off.
  • You want a pH of about 7. That's what we call neutral, and that's what water is.
  • A nice, stable amount of protons.
  • Now you don't need a laboratory supply company to get everything you need to conduct your own litmus test.
  • All you need is a trip to the grocery store.
  • Get yourself a purple cabbage and a coffee filter.
  • It's wearing a hat.
  • Cut the raw cabbage into small pieces until you have about a cup's worth, and spread it evenly on a plate.
  • Cook the cabbage in the microwave for 3 to 5 minutes until the leaves are nice and soft.
  • Now use the coffee filter to soak up the juice, or strain it onto another plate that has the coffee filter on it.
  • If you need more juice, cook another batch or two until the filter is soaked, then let it dry.
  • You can now use the pieces of the filter to test the pH of any solution you like.
  • If the paper turns green or yellow, like it does with this baking soda solution, the solution is a base, or doesn't have many protons.
  • And if it turns pink, like with this lemon juice, it's acidic, meaning it has lots of protons.
  • So, how does this work?
  • Purple cabbage contains a large amount of anthocyanin, one of the most common pigments in the plant kingdom.
  • It's what makes pansies purple, and blood oranges bloody, and autumn leaves turn red.
  • And as it happens, anthocyanin changes color depending on the pH of its environment, turning reddish in acidic solutions, and greenish yellow in basic solutions.
  • But the pH of cabbage juice itself is about neutral, so the anthocyanin in the juice appears in its neutral color, purple.
  • This all makes sense when you consider that the litmus paper used in labs is made from a similar process, it's infused with a natural dye found in some lichens, that works in much the same way.
  • Now you can conduct your own real litmus tests at home, and while it's not going to help you pick a Supreme Court justice, you may have enough cabbage left over to make a nice coleslaw.
  • Enjoy!
  • Thank you for watching this SciShow experiment.
  • If you have other ideas for experiments we should do, or questions or comments or anything else, we're on Facebook and Twitter, and we're in the comments below, and if you want to keep getting smarter with us here at SciShow,
  • You can go to youtube.com slash SciShow and subscribe.