Properties of Substances

Front

Define the term "physical property."

Back

A characteristic of a substance that can be observed or measured without changing its identity.

Front

Explain why melting point is considered a physical property.

Back

Melting point is a temperature at which a substance changes state without altering its chemical structure.

Front

How does baking soda act as a surface whitener for teeth?

Back

Baking soda acts as a mild abrasive to remove surface stains, illustrating a physical property.

Front

Why is reactivity with acid considered a chemical property?

Back

Reactivity with acid involves a chemical reaction that changes the substance's composition.

Front

Corrosion

Back

Causes substances like metal to degrade over time, often due to reactions with air or water.

Front

Role of color in chemical changes

Back

Color change can indicate a new substance is formed during a chemical reaction.

Front

Ice melting into water

Back

Physical change

Front

Another clue indicating a chemical change

Back

Gas production

Front

Physical property vs. chemical property

Back

Physical properties can be observed without changing the substance

Front

Example of a physical property

Back

Color