Changes in Matter

Front

What is a physical change?

Back

A physical change is 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 chemical change is a change that results in the formation of new chemical substances, altering the chemical composition of the original substance.

Front

Is melting ice a physical or chemical change?

Back

Melting ice is a physical change.

Front

Is burning wood a physical or chemical change?

Back

Burning wood is a chemical change.

Front

What happens during a physical change?

Back

During a physical change, the form of a substance changes, but its chemical identity remains the same.

Front

What happens during a chemical change?

Back

During a chemical change, substances react to form new substances with different properties.

Front

Is dissolving sugar in water a physical or chemical change?

Back

Dissolving sugar in water is a physical change.

Front

Is rusting iron a physical or chemical change?

Back

Rusting iron is a chemical change.

Front

What is an example of a physical change?

Back

An example of a physical change is freezing juice.

Front

What is an example of a chemical change?

Back

An example of a chemical change is rotting food.