Chapter 2 Test ⚗️

Question 1

Anything that occupies space and has mass; a physical substance

Answer 1

Matter

Question 2

Made out of just one kind of particle

e.g. gold, pure water, pure oxygen

Answer 2

Pure Substance

Question 3

Combination of two or more pure substances or other mixtures

Answer 3

Mixture

Question 4

Solid, gas, or liquid

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

Answer 4

State of Matter

Question 5

Usually determines a substance’s state of matter

Answer 5

Temperature

Question 6

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

Answer 6

Solid

Question 7

Can move around but are still close together

Answer 7

Liquid

Question 8

Does not have a fixed shape

Answer 8

Gas

Question 9

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

Answer 9

Plasma

Question 10

A solid becomes a liquid

Answer 10

Melting

Question 11

A liquid becomes a solid

Answer 11

Freezing

Question 12

A liquid becomes a gas using heat

Answer 12

Vaporization

Question 13

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

Answer 13

Boiling

Question 14

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

Answer 14

Evaporation

Question 15

When vapor particles stick together

Answer 15

Condensation

Question 16

A solid becomes a gas

Answer 16

Sublimation

Question 17

A gas becomes a solid

Answer 17

Deposition

Question 18

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

Answer 18

Weight

Question 19

The measure of the space something occupies

Answer 19

Volume

Question 20

A push or pull

Answer 20

Force

Question 21

The pull from an object that gives things weight

Answer 21

Gravity

Question 22

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

Answer 22

Work

Question 23

The ability to do work

Answer 23

Energy

Question 24

The law that says energy can not be created or destroyed

Answer 24

First Law of Thermodynamics

Question 25

The smallest building block of matter

Answer 25

Atom

Question 26

Atoms with more or fewer electrons than protons

Answer 26

Ion

Question 27

A pure substance made of one kind of atom

Answer 27

Element

Question 28

The atoms of one element bonded with atoms from other elements

Answer 28

Compound

Question 29

Particles formed by the comination of two or more atoms

Answer 29

Molecule

Question 30

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

Answer 30

Physical Change

Question 31

When a pure substance changes into another substance

Answer 31

Chemical Change

Question 32

When the very atoms of matter change

Answer 32

Nuclear Change