Post-Test: Matter & Energy

Front

What are the three states of matter?

Back

Solid, Liquid, Gas.

Front

What is a gas?

Back

A state of matter where particles are far apart and move freely.

Front

How many atoms of oxygen are in carbon dioxide (CO2)?

Back

2.

Front

What is a physical change?

Back

A change that does not produce new substances, such as melting or freezing.

Front

What is a chemical change?

Back

A change that produces one or more new substances, such as rusting or burning.

Front

In which state of matter are particles tightly packed in fixed positions?

Back

Solid.

Front

What is viscosity?

Back

A measure of a fluid's resistance to flow.

Front

How do particles behave in a liquid?

Back

They are free to move in a container but are in close contact with one another.

Front

What happens to the volume of a gas when temperature increases?

Back

The volume increases.

Front

What is the definition of matter?

Back

Anything that has mass and takes up space.