1) You can create physical change by changing temperature or ____________ .  a) components b) pressure c) density d) mass 2) Which of these is an example of physical change? a) melting snowman b) frying an egg c) crushing a can d) baking a cake 3) Where can you find plasma in nature? a) the soil b) lightning c) rocks d) aurora 4) Oxygen solidifies at -218 degrees Celsius. What is this in Kelvin to the nearest whole number? a) -500 b) 55 c) -55 d) 373 5) Which of these is correct? a) condensation- liquid to gas b) boiling- gas to liquid c) deposition- solid to liquid d) sublimation- solid to gas 6) Why are there droplets of water on the surface of the glass? a) the water evaporates and lands on the sides of the glass b) warm air condenses to water when it hit the cool surface. c) cool air condenses to water when it hits the warm surface 7) This pulls electrons off gases to turn it into a plasma. a) magnet b) electricity c) light d) sound 8) Which of these is an example of chemical change? a) rusting pipes b) shredded paper c) caramelising sugar d) bent fork 9) An object that changes its resistance to flow depending on the pressure on it is called a _________________ . a) Newtonian fluid b) non-Newtonian fluid c) Bose-Einstein Condensate d) Higgs-Boson 10) Sarah mixed some cornstarch with water. After leaving it to settle, it felt hard when touched. However, when she slowly stirred, it became fluid. Why does this happen? a) Stirring allows the cornstarch particles to move out of the way. b) the substance can change state at will c) the substance has particles of opposite charges d) the substance is not matter

Matter

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