1) A mixture of liquid and gas. p. 115 a) Milk and cereal b) Boiling water c) Smoke d) Rice and vegetables e) Air f) Coffee and milk 2) An example of a mixture. p. 115 a) Trees b) Oxygen c) Water d) Coffee and milk e) Fire f) Hydrogen 3) Gravity pulls down on all of the particles in an object. If it has more particles, it pulls more. If it has less particles, it pulls less. This is called ___. p. 138 a) inertia b) force c) gravity d) weight e) liquid f) pressure 4) A mixture of liquid and liquid. p. 115 a) Milk and cereal b) Boiling water c) Smoke d) Rice and vegetables e) Air f) Coffee and milk 5) A kind of science that studies what things are made of. p. 114 a) chemistry b) biology c) science d) meowmeow e) matter f) mixture 6) A mixture of gas and gas. p. 115 a) Milk and cereal b) Boiling water c) Smoke d) Rice and vegetables e) Air f) Coffee and milk 7) A mixture of solid and gas. p. 115 a) Milk and cereal b) Boiling water c) Smoke d) Rice and vegetables e) Air f) Coffee and milk 8) An example of a chemical change: p. 124 a) Folding paper b) Breaking a bone c) Flying a kite d) Cooking an egg e) Stomping on cockroaches f) Stepping on babies 9) When something mixes in water and you can't see it anymore, it _________. p. 118 a) melted b) dissolved c) mixtured d) exploded e) poopooed f) meowmeowed 10) A mixture of solid and solid. p. 115 a) Milk and cereal b) Boiling water c) Smoke d) Rice and vegetables e) Air f) Coffee and milk 11) When something dissolves into something else, we call that a ________. p.119 a) problem b) salt c) sugar d) solution e) particle f) dancing monkey 12) Water pressure is _________ at the bottom of the ocean, and _________ at the surface. p. 141 a) higher, lower b) lower, higher c) zero, lower d) zero, higher e) higher, zero f) lower, zero 13) Forces are.... p. 131 a) Pushes b) Pulls c) Pushes and puls d) Pushes and pulls e) Pooshes and pools f) Meow and meow 14) What are three examples of chemical changes? p. 125-127 a) Cutting, rusting, and cooking b) Burning, cutting, eating c) Rusting, cooking, and burning d) Breaking, cutting, burning e) Rusting, burning, cutting f) Breaking, rusting, cooking 15) An object at rest will stay at rest, unless a force moves it. A moving object will keep moving in the same way, unless a force moves it. p. 133 a) Forces b) Contact force c) Direction d) In motion e) Inertia f) At rest 16) A mixture of solid and liquid. p. 115 a) Milk and cereal b) Boiling water c) Smoke d) Rice and vegetables e) Air f) Coffee and milk 17) When matter changes into a new kind of matter: p.123 a) a physical change b) a chemical change c) a metal change d) a solid change e) a liquid change f) a gas change 18) When force pushes in or out on all sides of something. p. 140 a) Inertia b) Contact force c) Gravity d) Pressure e) Weight f) Liquid 19) Air pressure is _________ closer to the earth, and _________ farther from the earth. p.143 a) higher, lower b) lower, higher c) zero, lower d) zero, higher e) higher, zero f) lower, zero 20) Electricity is _______ p. 146 a) force b) magic c) energy d) battery e) power plant f) nature

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