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.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances.

Front

Give an example of a physical change.

Back

An example of a physical change is glass breaking.

Front

Give an example of a chemical change.

Back

An example of a chemical change is wood burning.

Front

What happens to the properties of a substance during a physical change?

Back

The properties such as size, shape, and state of matter may change, but the substance remains the same.

Front

What happens to the properties of a substance during a chemical change?

Back

The properties change, and a new substance is formed.

Front

Is crumpling paper a physical or chemical change?

Back

Crumpling paper is a physical change.

Front

What is an indicator of a chemical change?

Back

An indicator of a chemical change can be the release of light, heat, or the formation of a new substance.

Front

What is an example of a physical change involving water?

Back

An example is ice melting into water.

Front

What is an example of a chemical change involving food?

Back

An example is cooking an egg.