Matching Pairs LET'S REMEMBER THESE FACTS!Online version Join the sentences! by Alfonso López 1 When matter changes shape, size or state, it is called a 2 A mixture is something that contains 3 When matter changes into different matter, it is called a 4 There are three states of matter: 5 We use different materials 6 Everything on the planet solid, liquid and gas. two or more materials. physical change. to make things. chemical change. is made up of matter.