1) All materials are hard a) true b) false 2) You can use force to change the______________ of a material:  a) shape b) colour 3) You can use a push or a pull to__________ some materials a) twist  b) bend 4) You can twist some materials: a) True b) False 5) Solid materials are: a) hard b) fluffy c) soft 6) An example of a solid material: a) air b) water c) desk 7) Liquid materials are hard: a) True b) False 8) Liquids can take the shape of a container: a) True b) False 9) Gas has no shape: a) True b) False 10) Materials can change when they are warmed up and cooled down:  a) True b) False 11) Heating of water can cause irreversible change: a) True b) False 12) Chocolate is reversible: a) True b) False 13) The changing state of an egg is reversible: a) True b) False

Science- unit 3

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