Physical and Chemical Changes

Front

Is melting ice a chemical or physical change?

Back

Physical change

Front

This change is a: chemical reaction, physical change, musical change, Ice Ice baby.

Back

Physical change

Front

Is spoiling food a physical or chemical change?

Back

Chemical change

Front

How is a chemical change different from a physical change?

Back

A chemical change creates a new substance.

Front

A physical change is a change: in an item's properties like its shape, size or density, that creates a new substance or emits light or heat, that creates a smell, that cannot be undone.

Back

In an item's properties like its shape, size or density.

Front

What is a chemical change?

Back

A process where one or more substances are transformed into new substances with different properties.

Front

Give an example of a physical change.

Back

Melting ice, boiling water, or dissolving sugar in water.

Front

What happens to the molecules during a physical change?

Back

The molecules rearrange but do not change their chemical composition.

Front

What is an indicator of a chemical change?

Back

Color change, gas production, temperature change, or formation of a precipitate.

Front

Can physical changes be reversed?

Back

Yes, most physical changes can be reversed.