Can you make an ice ube disappear?put in on a hot sidewalk. it melts into water and then vanishes. the ice cube changes from solid to liquid to gas...read on to find out more about the three states of matter.'
Describes a reason why we need the gas oxygen to stay alive and how a gas changes into a liquid.
You will discover: What shape a liquid is; how a liquid changes into a solid; why gardens get frosty in winter