Physical and Chemical Changes

Front

What temperature does water become a solid (ice)?

Back

0 degrees celsius.

Front

Can water separate pepper and salt?

Back

True.

Front

What are Physical Changes?

Back

Physical Changes are reversible.

Front

Is separating a mixture a physical change?

Back

True.

Front

Can mixtures be separated based on size, shape, color, and texture?

Back

True.

Front

What is a physical change?

Back

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 change that results in the formation of new chemical substances.

Front

Give an example of a physical change.

Back

Melting ice.

Front

Give an example of a chemical change.

Back

Burning wood.

Front

What happens to the molecules during a physical change?

Back

The molecules rearrange but do not change their chemical structure.