Physical and Chemical Changes

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include melting, freezing, and dissolving.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. Examples include burning, rusting, and exploding.

Front

Is cooking pancakes a physical or chemical change?

Back

Cooking pancakes is a physical change.

Front

Is grass growing a physical or chemical change?

Back

Grass growing is a physical change.

Front

What is an example of a chemical change?

Back

Exploding fireworks is an example of a chemical change.

Front

What happens to the chemical composition during a physical change?

Back

The chemical composition remains the same during a physical change.

Front

What happens to the chemical composition during a chemical change?

Back

The chemical composition changes during a chemical change, resulting in new substances.

Front

Is freezing juice a physical or chemical change?

Back

Freezing juice is a physical change.

Front

What is an example of a physical change?

Back

An example of a physical change is melting ice.

Front

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

Back

A physical change does not alter the chemical composition of a substance, while a chemical change does.