1) volcano a) a hill or mountain that forms over a crack in Earth’s crust from which lava erupts b) the place where one tectonic plate is sliding beneath another tectonic plate c) lava lamp d) All of the above 2) crater a) a hill or mountain that forms over a crack in Earth’s crust from which lava erupts b) a bowl-shaped opening at the top of a volcano or geyser c) hot spot d) None of the answers 3) fine a) very large b) very small c) looking good d) All of the answers 4) subduction zone a) the place where one tectonic plate is sliding beneath another tectonic plate b) a hill or mountain that forms over a crack in Earth’s crust from which lava erupts c) under a mountain d) None of the answers 5) descend a) to move downward b) to move upward c) deep in the earth d) none of the answers 6) hotspot a) the place where one tectonic plate is sliding beneath another tectonic plate b) move upward c) a very hot region deep within Earth’s mantle where a huge magma chamber forms d) All of the answers 7) Plume a) feather b) hot spring c) a column of magma that rises from the mantle into a chamber beneath Earth’s crust d) None of the answers 8) hot spring a) deep in the earth b) a very hot region deep within Earth’s mantle where a huge magma chamber forms c) a naturally flowing source of hot water d) All of the answers

Grade 4 CKLA Unit 5

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