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BJU Earth Science 8th Grade > Chapter 2 Test ⚗️ > Flashcards

Chapter 2 Test ⚗️ Flashcards

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Biology 101 flashcards
1
Q

Anything that occupies space and has mass; a physical substance

A

Matter

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2
Q

Made out of just one kind of particle

e.g. gold, pure water, pure oxygen

A

Pure Substance

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3
Q

Combination of two or more pure substances or other mixtures

A

Mixture

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4
Q

Solid, gas, or liquid

Most pure substances can be in one of these three states, or phases

A

State of Matter

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5
Q

Usually determines a substance’s state of matter

A

Temperature

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6
Q

The attraction between particles is greater than their ability to move away form each other

A

Solid

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7
Q

Can move around but are still close together

A

Liquid

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8
Q

Does not have a fixed shape

A

Gas

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9
Q

Acts like gases, but their particles move so fast and collide so hard that they break apart and become electrically charged

A

Plasma

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10
Q

A solid becomes a liquid

A

Melting

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11
Q

A liquid becomes a solid

A

Freezing

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12
Q

A liquid becomes a gas using heat

A

Vaporization

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13
Q

If vaporization happens so fast that the liquid forms bubbles that rise through the liquid

A

Boiling

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14
Q

A liquid becomes a gas in between the melting point and the boiling point of the liquid

A

Evaporation

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15
Q

When vapor particles stick together

A

Condensation

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16
Q

A solid becomes a gas

A

Sublimation

17
Q

A gas becomes a solid

A

Deposition

18
Q

The gravatational pull exerted on an object by another very large object, such as the Earth

A

Weight

19
Q

The measure of the space something occupies

A

Volume

20
Q

A push or pull

A

Force

21
Q

The pull from an object that gives things weight

A

Gravity

22
Q

A force that acts on an object as it moves through a distance

A

Work

23
Q

The ability to do work

A

Energy

24
Q

The law that says energy can not be created or destroyed

A

First Law of Thermodynamics

25
Q

The smallest building block of matter

A

Atom

26
Q

Atoms with more or fewer electrons than protons

A

Ion

27
Q

A pure substance made of one kind of atom

A

Element

28
Q

The atoms of one element bonded with atoms from other elements

A

Compound

29
Q

Particles formed by the comination of two or more atoms

A

Molecule

30
Q

When matter changes in a way that doesn’t change its chemical identity

A

Physical Change

31
Q

When a pure substance changes into another substance

A

Chemical Change

32
Q

When the very atoms of matter change

A

Nuclear Change

BJU Earth Science 8th Grade (9 decks)

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