Science Y 2-3 How Matter Changes

Which of these pictures is a solid?

• A

• B

• C

• D

Which of these pictures is a gas?

• A

• B

• C

• D

If matter must change, what must the particles lose or gain?

• energy

• electrons

• atoms

If a substance must change, it must either be _______ or __________.

• heated, cooled

• frozen, heated

• condensed, cooled

Matter can change when it is mixed, heated or cooled.

• True

• False

When you put different things together it is called a ________.

• mixture

• frozen

• condensed

If a liquid is frozen , it goes from a _______ to a _________.

• liquid, solid

• liquid, gas

• liquid, gas

If I melt an ice block, it will go from a _________ to a _________.

• solid, liquid

• solid, gas

• liquid, gas

If I boil water, what will it become?

• gas

• water vapor

Can gas be compressed?

• Yes

• No