Chemical vs Physical Changes

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 process that alters the form or appearance of a substance without changing its chemical composition.

Front

Give an example of a chemical change.

Back

Combining hydrogen and oxygen to create water is an example of a chemical change.

Front

Give an example of a physical change.

Back

Melting an ice cube is an example of a physical change.

Front

What happens to the chemical composition during a chemical change?

Back

The chemical composition changes as new substances are formed.

Front

What happens to the chemical composition during a physical change?

Back

The chemical composition remains the same; only the form or appearance changes.

Front

Is cutting paper a chemical or physical change?

Back

Cutting paper is a physical change.

Front

Is melting butter a chemical or physical change?

Back

Melting butter is a physical change.

Front

What is an indicator of a chemical change?

Back

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

Front

What is an indicator of a physical change?

Back

Indicators of a physical change include changes in state (solid, liquid, gas) or shape without altering the substance's chemical identity.