Phases

Question 0

What is a substance?

Answer 0

A material of a particular type

Question 1

Name the three phases of substances.

Answer 1

LIQUID
SOLID
GAS

Question 2

Name a liquid

Answer 2

Water

Question 3

Name a solid phase

Answer 3

Ice

Question 4

Name a gas phase

Answer 4

Water vapour

Question 5

What is a phase change?

Answer 5

When substances change from a liquid to a gas or from a gas to a solid

Question 6

Name the two ways in which we can change a phase

Answer 6

Heating and cooling

Question 7

How do we Change a solid to liquid and what do we call it

Answer 7

By heating the solid and this is called melting

Question 8

How do we Chang e a liquid to gas and what do we call this?

Answer 8

We heat the substance and this is called evaporating.

Question 9

How do we change a gas to a liquid and what do we call this?

Answer 9

By cooling and we call this condensing

Question 10

How do we Chang a liquid to sold and what do we call this?

Answer 10

By cooling and we call this freezing or solidifying.