Matter and Energy Review

Front

What are the three states of matter?

Back

Solid, Liquid, Gas.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What is a molecule?

Back

Two or more atoms bonded together.

Front

What is a physical property?

Back

A characteristic of matter that can be observed without changing its identity.

Front

What is a chemical property?

Back

A characteristic of matter that can only be observed during a chemical reaction.

Front

What happens to the particles in a solid when heated?

Back

They vibrate faster and may change to a liquid.

Front

What is thermal energy?

Back

The total energy of all the particles in a substance.

Front

What is evaporation?

Back

The process by which liquid turns into gas.

Front

What is condensation?

Back

The process by which gas turns into liquid.