Chapter 1

Question 1

_____ is the state of matter that has a define shape and volume

Answer 1

solid

Question 2

_____ is the state of matter that

t has a definite volume but no definite shape

Answer 2

liquid

Question 3

_____ is the state of matter that has no definite shape or volume

Answer 3

gas

Question 4

____ take the shape of the container in which hey are placed

Answer 4

liquids

Question 5

All ____ is made of tiny particles

Answer 5

matter

Question 6

All particles in a ___ substance are the same

Answer 6

pure

Question 7

different pure substances are made of _______ particles

Answer 7

different

Question 8

Particle are always in _____

Answer 8

motion

Question 9

The speed of particles increase when temperature ________

Answer 9

increases

Question 10

Liquid particles are so tightly packed together that they are affected by the downward pull of _____

Answer 10

gravity

Question 11

The change of state from a liquid to gas is _______

Answer 11

evaporation

Question 12

All solids can be come liquids through the change of state that is called ______

Answer 12

melting

Question 13

A change of state occurs when a substance is heated and the particles gain _____

Answer 13

energy

Question 14

If the substance is ______ the reverse change of state would occur because the particles would lose energy

Answer 14

cooled

Question 15

______ is the change of state that occurs when solid becomes a gas without becoming a liquid first and v.v.

Answer 15

sublimation

Question 16

______ is a slower form is vaporization that occurs over a wide range of temperatures

Answer 16

evaporation

Question 17

_____ is a more rapid form of vaporization

Answer 17

boiling

Question 18

All matter can be divided into two categories. ________ and _________

Answer 18

mixtures and pure substances

Question 19

A _______ is a combination of two pure substances

Answer 19

Mixture

Question 20

Mixture that look as though they only have one set of properties are called _____

Answer 20

homogeneous

Question 21

Homogeneous means that ______ part of the mixture is the same

Answer 21

every

Question 22

A _____ is a homogeneous mixture of two or more pure substances

Answer 22

solution

Question 23

Mixtures that contain two or more materials that are still visible are called _______ mixtures

Answer 23

heterogeneous

Question 24

A heterogeneous mixture in which the particles slowly settle after mixing is called a _____

Answer 24

suspension

Question 25

A heterogeneous mixture in which the particle do not settle is called a ______

Answer 25

colloid

Question 26

The particle in a colloid can be dispersed for an even longer period by adding an emulsifying agent to form an _____

Answer 26

emulsion

Question 27

Mixture that are obviously heterogeneous are usually called______

Answer 27

mechanical mixtures

Question 28

Phases are the separate parts of a ______

Answer 28

mechanical mixture

Question 29

Forming a solution by mixing two or more materials together is called a _______

Answer 29

solution

Question 30

When sugar dissolves in water, the water is the ________ and the sugar is the _____

Answer 30

solvent | solute

Question 31

_______ means being able to be dissolved in a particular solvent

Answer 31

soluble

Question 32

What is the universal solvent

Answer 32

water

Question 33

How fast a solute dissolves in water is called the______

Answer 33

rate of dissolving

Question 34

_______helps the solute dissolve faster

Answer 34

agitation

Question 35

_______and ______ also affect the rate of dissolving

Answer 35

temperature and pressure