P6: Post-Test: Matter & Energy

Front

What happens to the particles of a substance when heat is added?

Back

The particles speed up and spread out.

Front

What describes the particles of a liquid?

Back

Particles of a liquid are free to move in a container but are in close contact with one another.

Front

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

Back

Solid.

Front

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

Back

2.

Front

What is the amount of matter in an object called?

Back

Mass.

Front

What is the state of matter with no fixed shape and no fixed volume?

Back

Gas.

Front

What is the term for the amount of space an object occupies?

Back

Volume.

Front

What is the measure of the gravitational force acting on an object?

Back

Weight.

Front

What is the term for the ability to do work or cause change?

Back

Energy.

Front

What is the process called when a solid turns into a liquid?

Back

Melting.