1) Air is a: a) Liquid b) Solid c) Gas 2) Water can be: a) Liquid b) Solid c) Gas d) Liquid, solid and gas. 3) When water changes from liquid to solid, is called: a) Freezing b) Melting 4) When water changes from solid to liquid, is called: a) Freezing b) Melting 5) Snow and rain are water falling in different ways. These are axamples of: a) Evaporation b) Condensation c) Precipitation 6) The water we drink is treated to make it __________. a) safe b) dirty c) orange 7) Clean water and air are important for all living things. When the water is not clean, we call water: a) crystal b) polluted c) liquid 8) Which of these statements is NOT something we need to do to protect air and water: a) Turn off the tap when we brush our teeth. b) Walk or bike instead of drive. c) Pour oil into the sink. d) Recycle plastic and paper.
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science air and water review
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