Chemical/Physical Change

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances with different properties.

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

Give an example of a chemical change.

Back

Burning leaves is an example of a chemical change.

Front

Give an example of a physical change.

Back

Ripping paper is an example of a physical change.

Front

What happens to the substances in a chemical change?

Back

In a chemical change, the original substances are transformed into new substances.

Front

What happens to the substances in a physical change?

Back

In a physical change, the original substances remain the same, but their form or appearance may change.

Front

Is rusting a chemical change or a physical change?

Back

Rusting is a chemical change.

Front

Is mowing the lawn a chemical change or a physical change?

Back

Mowing the lawn is a physical change.

Front

What is an indicator of a chemical change?

Back

Indicators of a chemical change include color change, gas production, and temperature change.

Front

What is an indicator of a physical change?

Back

Indicators of a physical change include changes in state (like melting or freezing) and changes in shape or size.