Matter and Particles

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three main states of matter?

Back

Solid, liquid, and gas.

Front

What causes matter to change states?

Back

Heat.

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

Why do chemists study atoms?

Back

To understand how matter is formed.

Front

What happens when atoms are combined?

Back

Their physical characteristics can change.

Front

What is light?

Back

Light is a form of energy.

Front

Which state of matter do animals need to survive?

Back

Gas.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Front

What is the difference between a solid and a liquid?

Back

Solids have a definite shape and volume, while liquids have a definite volume but take the shape of their container.