Physical and Chemical Changes

Front

What is a physical change?

Back

A physical change happens when matter changes size, shape, or form but not its substance.

Front

What is a chemical change?

Back

A chemical change occurs when a substance transforms into a different substance, creating new materials.

Front

What happens during the process of evaporation?

Back

Evaporation is when a liquid turns into a gas, leaving solid substances behind.

Front

What is an example of a chemical change?

Back

Exploding fireworks is an example of a chemical change.

Front

What is the difference between physical and chemical changes?

Back

Physical changes do not change the substance, while chemical changes create new substances.

Front

What occurs when a match is lit?

Back

Lighting a match is a chemical change because it creates new substances.

Front

What happens to salt when water evaporates?

Back

When water evaporates, the salt is left behind as a solid.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.

Front

What is a phase change?

Back

A phase change is a transition of matter from one state to another, such as solid to liquid.

Front

What is an example of a substance undergoing a chemical change?

Back

Baking a cake is an example of a chemical change.