Identify Physical and Chemical Changes

Front

What is a physical change?

Back

A physical change changes the physical properties of an object, but does not create a new substance.

Front

What is a chemical change?

Back

A chemical change creates a new substance and cannot be undone.

Front

What does a physical change affect?

Back

A physical change affects the form or appearance of a substance but not its chemical composition.

Front

What does a chemical change affect?

Back

A chemical change affects the chemical composition of a substance, resulting in the formation of new substances.

Front

Can physical changes be reversed?

Back

Yes, physical changes can often be reversed.

Front

Can chemical changes be reversed?

Back

No, chemical changes usually cannot be reversed.

Front

Give an example of a physical change.

Back

Melting ice is an example of a physical change.

Front

Give an example of a chemical change.

Back

Burning wood is an example of a chemical 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

An indicator of a physical change is a change in state, such as solid to liquid.