Science Quiz on Matter and Reactions

What happens to the particles in a liquid when it is heated?

• They move closer together.

• They stop moving.

• They move faster and spread out.

• They turn into solids.

What do we call the process of a solid turning into a liquid?

• Freezing

• Boiling

• Melting

• Solidifying

What is the process of a liquid turning into a solid called?

• Melting

• Freezing

• Evaporation

• Condensation

What is a chemical reaction?

• A change in the state of matter.

• A change that results in new substances being formed.

• A change in temperature.

• A change in size.

Which of these is an example of a chemical reaction?

• Water freezing into ice.

• A piece of paper burning.

• Ice melting into water.

• A rock breaking into smaller pieces.

Which of the following is NOT a chemical reaction?

• Rust forming on iron.

• A cake baking.

• Water evaporating.

• Sugar dissolving in water.

What is the Earth's outer layer called?

• Mantle

• Core

• Crust

• Atmosphere

What is the Earth's innermost layer called?

• Core

• Crust

• Mantle

• Atmosphere

Which type of volcano is the most explosive?

• Shield volcano

• Composite volcano

• Dormant volcano

• Lava dome

What do volcanoes release when they erupt?

• Water

• Gas and ash

• Ice

• Trees