Post-Test: Matter & Energy

Front

What is the state of matter where particles spread apart and fill all the space available to them?

Back

Gas

Front

How do particles of a liquid behave?

Back

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

Front

Which statement is NOT true about matter?

Back

Matter can be created or destroyed.

Front

What is the term for how tightly packed matter is in an object?

Back

Density

Front

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

Back

Solid

Front

What are the four states of matter?

Back

Solid, liquid, gas, and plasma.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What happens to the volume of a gas when it is heated?

Back

The volume of a gas increases when it is heated.

Front

What is viscosity?

Back

Viscosity is a measure of a fluid's resistance to flow.

Front

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

Back

Melting.