This or That

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

What is a Chemical Property?

Back

A property that can only be observed during a chemical reaction, indicating how a substance interacts with other substances.

Front

What is an Intensive Physical Property?

Back

A property that does not depend on the amount of substance present, such as density or boiling point.

Front

What is an Extensive Physical Property?

Back

A property that depends on the amount of substance present, such as mass or volume.

Front

What is a Homogeneous Mixture?

Back

A mixture that has a uniform composition and appearance throughout.

Front

What is a Heterogeneous Mixture?

Back

A mixture that consists of visibly different substances or phases.

Front

Give an example of a Physical Change.

Back

Melting of ice into water.

Front

Give an example of a Chemical Change.

Back

Burning wood to produce ash and smoke.

Front

What is the difference between a Chemical Property and a Physical Property?

Back

Chemical properties describe a substance's ability to undergo chemical changes, while physical properties can be observed without changing the substance's chemical identity.