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21 Cards in this Set
- Front
- Back
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acceleration
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the amount by which speed increases in one second
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acid rain
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rain that has a non-metal dissolved in it
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adaptation
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characteristic that helps an organism to survive
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addiction |
a need to keep taking a drug in order to feel normal |
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a person who is addicted to alcohol |
alcoholic |
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green unicellular or multicellular organisms that perform photosynthesis and live underwater |
algae |
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a device for measuring electric current in a circuit |
ammeter |
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units of measurement of electric current, symbol A |
amps |
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chemical reaction that takes place without oxygen. glucose is converted into lactic acid and energy is released |
anaerobic respiration |
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anus |
muscular ring through which feces pass out of the body |
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the mixture of gases surrounding the earth |
atmosphere |
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atmospheric pressure |
pressure caused by the collisions of air molecules that produce a force on an area |
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atom |
a neutral particle. everything is made of atoms |
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attract |
be pulled together such as in magnets or charges |
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average speed |
the total distance traveled in the total time taken for a complete journey |
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eating food containing the right nutrients in the correct amounts |
balanced diet |
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battery |
two or more electrical cells joined together |
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substance that breaks fat into small droplets |
bile |
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bioaccumulation |
the build up of toxic chemical inside organisms in a food chain |
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the range of organisms living in an area |
biodiversity |
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the breaking up or wearing down of rocks by the action =s of living things |
biological weathering |
