Snow turns to liquid water when it _________.

• freezes

• evaporates

• melts.

How can you make liquid water become a solid?

• Put the water in a very cold place.

• Heat the water on the stove.

• Shake the water container very fast.

• Add a lot of salt to the water.

Which will most likely happen to a solid material that is heated?

• It will melt.

• It will boil.

• It will harden.

A puddle of water dries up after some time. What process has taken place?

• melting

• freezing

• evaporation

The steam from boiling water is the ______ state.

• Solid

• Liquid

• Gas

The process of a solid changing directly into a gas is called

• sublimation

• evaporation.

• freezing.

2. The image shows how to make fruit popsicles. How can we make the popsicles become solid?

• Melt them

• Boil them

• Freeze them

Are mothballs examples of sublimation? (Yes or No)

• Yes

• No

What state of matter is the ice changing into?

• Solid
• Liquid
• Gas

Identify this arrangement of molecules

• Solid
• Liquid
• Gas