Matter-Physical & Chemical Changes

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are physical changes?

Back

Physical changes are changes that affect one or more physical properties of a substance without altering its chemical composition.

Front

What are chemical changes?

Back

Chemical changes are changes that result in the formation of new chemical substances.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.

Front

What is an example of a chemical change?

Back

Burning wood is an example of a chemical change.

Front

What happens to the mass of water when it changes from solid to liquid?

Back

The mass of water remains the same during the change from solid to liquid.

Front

What is the definition of temperature?

Back

Temperature is a measure of how hot or cold something is.

Front

What is the role of heat in changing the state of matter?

Back

Heat can cause matter to change from one state to another, such as from solid to liquid or liquid to gas.

Front

What is a gas?

Back

A gas is a state of matter that has no definite shape or volume.

Front

What is a solid?

Back

A solid is a state of matter that has a definite shape and volume.