Revision week 4

... is to heat a liquid until it becomes a gas.

• To boil

• To fold

Liquid water changes to solid ice

• freeze

• rain

Ice cream, melts under the sun

• Physical Change

• Chemical Change

What kind of change occurs when a person leaves as ice cube in the hot sun?

• Gas to Liquid

• Liquid to Solid

• Liquid to gas

• Solid to liquid

What Kind of Change Occurs When a Person Boils Water?

• Gas to Liquid

• Liquid to Gas

• Solid to Liquid

• Solid to Gas

Which form of matter is air?

• solid

• liquid

• gas

If a box of crayons is left in a hot car on a summer afternoon, what change would you expect to observe in the crayons?

• gas changed to liquid
• liquid changed to solid
• solid changed to liquid
• liquid changed to gas

When matter goes from liquid to solid, that's called...

• Freezing

• Melting

• Evaporation

• Condensation