Physical and Chemical Changes

Front

What is a physical change?

Back

A physical change is a change in which no new substances are formed, and the change can often be reversed.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new substances with different properties.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

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

Back

The particles in a solid gain energy and move apart, turning into a liquid.

Front

What happens to a liquid when it freezes?

Back

The particles in a liquid lose energy and come together to form a solid.

Front

What is an example of a gas?

Back

Air is an example of a gas.

Front

What is an example of a solid?

Back

A rock is an example of a solid.

Front

What is an example of a liquid?

Back

Water is an example of a liquid.

Front

What is evaporation?

Back

Evaporation is the process where a liquid turns into a gas.

Front

What is condensation?

Back

Condensation is the process where a gas turns into a liquid.