Matter Matters

Front

What is a chemical change?

Back

A chemical change happens when elements or compounds combine to form a new substance.

Front

Give an example of a chemical change.

Back

Burning of wood is an example of a chemical change.

Front

What is the definition of mass?

Back

Mass is the amount of matter in an object.

Front

What happens during melting?

Back

Melting happens when solids turn into liquids.

Front

What is the process of a liquid changing to gas called?

Back

The process is called vaporization.

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.

Front

What is condensation?

Back

Condensation is the process where gas turns into a liquid.

Front

What is evaporation?

Back

Evaporation is the process where a liquid changes into a gas.