Front

What is a physical property?

Back

A characteristic of a substance that can be observed or measured without changing its identity, such as color, density, or melting point.

Front

What is a chemical property?

Back

A characteristic of a substance that describes its ability to undergo a specific chemical change, such as flammability or reactivity with acid.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition, such as melting ice or breaking glass.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances, such as rusting iron or burning wood.

Front

Give an example of a physical property.

Back

Malleability, which is the ability of a substance to be deformed or shaped without breaking.

Front

Give an example of a chemical property.

Back

Flammability, which is the ability of a substance to catch fire and burn.

Front

What is the melting point?

Back

The temperature at which a solid becomes a liquid.

Front

What is the condensation point?

Back

The temperature at which a gas turns into a liquid.

Front

How does breaking an egg illustrate a physical change?

Back

Breaking an egg changes its physical form but does not change its chemical composition.

Front

What happens during a chemical change?

Back

The original substances are transformed into different substances with new chemical properties.