Post-Test: Matter & Energy

Front

What is the state of matter where particles are packed tightly together in fixed positions?

Back

Solid

Front

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

Back

They speed up and spread out.

Front

In which state of matter do particles spread apart and fill all the available space?

Back

Gas

Front

How tightly packed matter is in an object is known as what?

Back

Density

Front

What describes the movement of particles in a liquid?

Back

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

Front

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

Back

Volume

Front

What is the measure of the amount of matter in an object?

Back

Mass

Front

What happens to the density of most substances when they are heated?

Back

It decreases.

Front

What is the state of matter that has a definite shape and volume?

Back

Solid

Front

What is the state of matter that has a definite volume but takes the shape of its container?

Back

Liquid