Solids, Liquids, and Gases: A First Look
Matter can change from one state to another through freezing, melting, condensation, and evaporation.
Goal:
Goal:
Matter takes up space and has weight to it in all forms. Solids keep their shape. Liquids and gases take the shape of the containers they occupy. Gases fill whatever space is available. Watch this video to learn more about the different types of matter.
Question
Does air take up space? Does it weigh anything?
Yes, air takes up space and has weight.
Question
Water as a gas is called water vapor. How does water vapor change into liquid water?
Water vapor comes in contact with something cold and changes back into water. This is called condensation.