1) Roasted Marshmallow? a) Chemical Change b) Physical Change 2) Chopping Wood? a) Physical Change b) Chemical Change 3) What is an example of a physical change? a) Baking a pie b) Ripping paper c) Cracking a glowstick d) Rotting food 4) If you add 20ml of sugar to 120 ml of sugar, what would the mass be? a) 115ml b) 79ml c) 140ml d) 120ml 5) What is an example of a chemical change? a) Crumbling paper b) Baking soda, vinegar, and water c) Breaking a pencil d) ice melting 6) What action causes a physical change? a) Burning a wooden log b) Digesting food c) Leaving a metal bike outside in the rain d) Breaking a window with a rock 7) Substance changes state from solid to a liquid a) Freezing point b) Melting point c) Boiling point 8) H2+O a) Reactant b) Product 9) Substance changes state from liquid to solid a) Boiling point b) Melting point c) Freezing point 10) Substance at the end of a chemical reaction a) Reactant b) Product 11) Physical change when a liquid is turned into a gas. a) condensation b) freezing point c) evaporation 12) A change in the size, shape, or state that does not change the type of matter. a) chemical change b) physical change 13) A physical law that states that matter is not created nor destroyed during a chemical reaction a) Law of Conservation of Matter b) Law of Conservation of Mass 14) A solid formed from the chemical reaction of some solutions a) Condensation b) Precipitate c) Evaporation 15) The ability of matter to catch fire or burn. a) Corrosion b) Combustible c) Condensation 16) A thin layer of corrosion that forms over copper, brass, aluminum, and other similar metals. a) Product b) Tarnish c) Precipitate 17) The process of metals reacting with air, causing the metal to rust or tarnish a) Precipitate b) Product c) Corrosion 18) Properties that lead to a chemical change or reaction a) Physical properties b) Chemical reaction c) Chemical properties d) Physical change 19) Physical change of water vapor turning back into a liquid a) Evaporation b) Boiling point c) Condensation 20) An event that occurs as two or more substances are combined to form a new substance a) Physical reaction b) Chemical reaction 21) Making ice cream? a) Physical b) Chemical 22) Curdling Milk? a) Chemical b) Physical 23) Water Boiling? a) Physical b) Chemical 24) Condensation? a) Physical b) Chemical 25) Soap Scum? a) Physical b) Chemical
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Unit 8: Physical & Chemical Changes
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