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 We use different materials 3 There are three states of matter: 4 When matter changes into different matter, it is called a 5 A mixture is something that contains 6 Everything on the planet chemical change. is made up of matter. physical change. solid, liquid and gas. to make things. two or more materials.