1) What are the three main states of matter? a) Solid, liquid and gas b) Evaporation c) Filtering or sieving d) Spencer Fry 2) Materials can be grouped in lots of ways. Can you name the different ways? a) Evaporation b) Filtering or sieving c) Hardness, Soluble (dissolve in water), Transparency (see through) , Conductivity (hold heat) and their attraction to magnets. d) An irreversible change 3) By what process can a soluble material e.g. salt be returned to its sold state after it has been dissolved in water? a) Filtering or sieving b) A reversible change c) Solid, liquid and gas d) Evaporation 4) How else can we separate materials that have been mixed together? a) Evaporation b) Transparency (see through) c) An irreversible change d) Filtering or sieving 5) Which scientist created a weak type of glue that was used to create post it notes? a) Spencer Fry b) A reversible change c) Mr Gallant d) Evaporation 6) When we dissolve or mix materials together it can often be undone. What is this known as? a) Filtering or sieving b) An irreversible change c) A reversible change d) Evaporation 7) If a material is changed from one state to another e.g. paper that has been burned, it can’t be changed back. What is this known as? a) An irreversible change b) Evaporation c) Hardness d) Solid, liquid and gas

Science VIP Spring One

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