What happens when you boil water? In this movie, you'll explore how matter can change. Matter is anything that takes up space and it is made up of tiny particles. Matter can come in different states like solids, liquids, and gases. Different types of energy, including heat, can change matter. Matter can change states through freezing, melting, evaporation, and condensation. Why does ice cream melt on a sunny day? Watch the movie to find out!