Physical and Chemical Changes Review

Front

What type of change is baking a cake an example of?

Back

Chemical change.

Front

What does a change in color often indicate?

Back

A chemical change.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance.

Front

How can you increase the rate of a chemical reaction?

Back

By increasing the temperature.

Front

What type of change occurs when there is a change in the state of matter?

Back

Physical change.

Front

What is the definition of a chemical change?

Back

A process where one or more substances are transformed into different substances with different properties.

Front

What are some examples of physical changes?

Back

Melting, freezing, boiling, and dissolving.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not alter the chemical composition of a substance, while a chemical change does.

Front

What is an example of a chemical change in everyday life?

Back

Rusting of iron.

Front

What happens to the molecules during a chemical change?

Back

The molecules rearrange to form new substances.