Physical and Chemical Changes

Front

What are chemical properties?

Back

Characteristics that can only be observed or measured when atoms of matter rearrange during a chemical change.

Front

What is a physical change?

Back

A change in size, shape, or matter that does not create something new.

Front

What is rusting?

Back

A chemical change that occurs when iron reacts with oxygen and moisture, forming iron oxide.

Front

What happens in an endothermic reaction?

Back

Heat is taken in or absorbed.

Front

What is an example of a liquid turning into a gas?

Back

Evaporation, such as water turning into steam.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

What is an example of a physical change?

Back

Melting ice into water.

Front

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

Back

A physical change does not create a new substance, while a chemical change does.

Front

What is an exothermic reaction?

Back

A reaction that releases heat.

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.