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science Flashcards

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Biology 101 flashcards
1
Q

solution

A

A mixture that forms when one substance dissolves another

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2
Q

solvent

A

a liquid substance capable of dissolving other substances

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3
Q

solute

A

substance being dissolved

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4
Q

substance

A

a single part of a mixture or solution

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5
Q

solubility

A

the ability to dissolve in another substance

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6
Q

putting organisms into groups based on specific characteristics.

A

classification

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7
Q

the science of describing, naming and classifying organisms.

A

taxonomy

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8
Q

an aid that is used to identify organisms and that consists of the answers to a series of questions

A

dichotomous key

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9
Q

single-celled organisms that lack a nucleus; prokaryotes

A

bacteria

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10
Q

Kingdom composed of eukaryotes that are not classified as plants, animals, or fungi

A

protista

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11
Q

An organism that absorbs nutrients from the environment.

A

fungi

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12
Q

Kingdom of multicellular photosynthetic autotrophs that have cell walls containing cellulose

A

plantae

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13
Q

A kingdom made up of multicellular organisms that lack cell walls, can usually move around, and quickly respond to their environment.

A

animalia

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14
Q

first level

A

kingdom

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15
Q

third level

A

class

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16
Q

second level

A

phylum

17
Q

fifth level

A

family

18
Q

fourth level

A

order

19
Q

sixth level

A

genus

20
Q

matter

A

Anything that has mass and takes up space

21
Q

mass

A

A measure of how much matter in an object

22
Q

volume

A

The amount of space an object takes up

23
Q

weight

A

A measure of the force of gravity on an object

24
Q

density

A

the degree of compactness of a substance.

25
Q

solid

A

definite shape and volume

26
Q

liquid

A

no definite shape but has a definite volume.

27
Q

gas

A

no definite shape or volume

28
Q

temperature

A

A measure of the average energy of motion of the particles of a substance.

29
Q

physical change

A

a change of matter from one form to another without a change in chemical properties, no new substances formed

30
Q

chemical change

A

A change in matter that produces one or more new substances

31
Q

chemical reaction

A

the process in which new substances are formed during a chemical change

science revision (3 decks)

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