Protsman 5Th Grade Science Unit E Chapter 12 Lesson 3

Front 1

to shrink, when the temperature of a substance decreases, its particles slow down and move closer together

Back 1

CONTRACTION

Front 2

to spread out, when heat is applied to a substance its particles begin to move more rapidly and spread out as they get hotter

Back 2

EXPANSION

Front 3

the gradual change of a liquid into a gas

Back 3

EVAPORATION

Front 4

the rapid change of a liquid into a gas that occurs when heat is added

Back 4

BOILING

Front 5

retain their shape
volume does not change, regardless of the container it is placed in
not fluid
many form crystals

Back 5

SOLIDS

Front 6

take on the shape of their container
have a definite volume – they settle to the bottom of the container
fluid

Back 6

LIQUIDS

Front 7

do not have a fixed volume – the volume is determined by the container
fluid

Back 7

GAS

Front 8

the changing of a gas into a liquid

Back 8

CONDENSATION

Front 9

the temperature for a specific substance at which it changes from a liquid to a solid

Back 9

FREEZING POINT

Front 10

the temperature for a specific substance at which it changes from a liquid to a gas

Back 10

BOILING POINT

Front 11

the temperature for a specific substance at which it changes from a solid to a liquid

Back 11

MELTING POINT

Front 12

molecules arranged in organized patterns

Back 12

SOLID

Front 13

when heat is added to a solid the molecules vibrate faster and spread apart, resulting in a __________

Back 13

LIQUID

Front 14

When even more heat is added the molecules continue to speed up and move further apart, resulting in a ____________

Back 14

GAS

Front 15

The three states of matter

Back 15

SOLID, LIQUID, AND GAS