Understanding States of Matter

Which of the following is NOT a state of matter?

• Plasma

• Liquid

• Gas

• Solid

What is a characteristic of solids?

• They take the shape of their container.

• They fill the entire space available.

• They are invisible.

• They have a definite shape.

How do molecules in a liquid behave compared to those in a solid?

• They are closer together and move slowly.

• They are farther apart and move more freely.

• They are invisible and move rapidly.

• They are tightly packed and do not move.

What happens during the process of evaporation?

• A liquid turns into a gas.

• A solid turns into a liquid.

• A liquid turns into a solid.

• A gas turns into a liquid.

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

• Melting

• Freezing

• Condensation

• Evaporation