Grade 4 Science Revision Quiz

Which process changes water vapor into liquid water?

• condensation

• evaporation

• freezing

• melting

Which process changes solid water (ice) into liquid water?

• condensation

• evaporation

• freezing

• melting

Which process changes liquid water into water vapor?

• condensation

• evaporation

• freezing

• melting

Which process changes liquid water into ice?

• condensation

• evaporation

• freezing

• melting

What happens to liquid water when energy is taken away?

• It melts into a gas.

• It freezes into a solid.

• It evaporates into a gas.

• It condenses into a solid.

What happens to water vapor when energy is taken away?

• It melts into a solid.

• It freezes into a liquid.

• It evaporates into a solid.

• It condenses into a liquid.

What is a mixture?

• a combination of substances that give off a gas

• a combination of two or more substances that keep their identities

What kind of change occurs if a substance changes to an entirely new substance?

• chemical change

• physical change

What kind of change occurs if a new substance is not formed?

• chemical change

• physical change

Another name for a chemical reaction

• chemical change

• physical change