Physical and Chemical Change

Front

What is a chemical change?

Back

A change that occurs when one or more substances produce new substances with different properties.

Front

What is a physical change?

Back

A change of matter from one form to another without turning into a new substance.

Front

What happens when water freezes?

Back

Water physically changes from a liquid to a solid.

Front

What is an example of a physical change?

Back

Evaporating water.

Front

Which of the following is not a mixture?

Back

Salt.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is an example of a chemical change?

Back

A candle burning.

Front

What happens during a chemical change?

Back

New substances with different properties are formed.

Front

What is the melting point of water?

Back

0 °C.

Front

What is an example of a physical change in cooking?

Back

Baking a cake (mixing ingredients without changing their chemical properties).