1) When a solid changes to a liquid it is called what a) Melting b) Freezing c) Sublimation d) Evaporation  2) What is anything that takes up space and has mass? a) Matter b) Space c) Volume d) Mass 3) The amount of space a liquid takes up is a) Volume b) Liquid  c) Solid d) Matter 4) Water can become all 3 states of matter. ( True or False ) a) True b) False 5) What is it called when a solid changes directly into a gas? a) Sublimation b) Condensation c) Melting d) Freezing e) Mass f) Volume  6) True or false? Liquids are easy to compress a) False b) True 7) When solids reach their melting points they become what? a) Liquid b) Solid c) Evaporation d) Condensation e) Volume f) Mass 8) Endothermic reactions a) They are reactions that need energy. b) They are reactions that give off energy 9) An example of an endothermic reaction a) Sublimation b) Vaporization c) Melting d) All of the previous answers 10) Gallium melts in your hands because : a) It gives out heat energy to your hands b) It takes the heat energy from your hands c) It has a high melting point d) It changes from liquid to gas

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