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