Physical and Chemical Changes

Front

What is a physical change?

Back

A physical change is a change in the form or appearance of a substance without changing 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.

Front

True or False: Melting is a physical change.

Back

True

Front

What happens to the particles in a solid when it melts?

Back

The particles gain energy and move apart, changing from a solid to a liquid.

Front

What is an example of a chemical change?

Back

Burning wood is an example of a chemical change.

Front

What is evaporation?

Back

Evaporation is the process where liquid turns into gas.

Front

What is condensation?

Back

Condensation is the process where gas turns into liquid.

Front

What happens to ice when it is heated?

Back

Ice melts and turns into water.

Front

What is an example of a gas?

Back

Air is an example of a gas.

Front

What is the state of matter that has a definite shape and volume?

Back

Solid.