1) How do earthquakes happen? a) when two plates collide b) when two plates rub together c) during a bad thunderstorm d) when two plates move apart 2) Volcanoes a) can cause a lot of damage b) are caused by earthquakes c) can't happen in the ocean 3) Alfred Wegner discovered a) lava b) that the earth was round c) volcanoes d) continental drift, the theory of Pangea 4) Earth's mantle is neither a liquid nor a solid. a) true b) false 5) Tsunamis are caused by a) strong wind b) earthquakes c) large waves d) cold temperatures 6) Volcanoes erupt when two plates collide a) True b) False 7) Alfred Wegner invented seismographs. a) True b) False 8) Alfred Wegner knew Earth's continents once fit together like a puzzle. He just had a hard time proving ______they separated. a) how b) when c) where 9) The Himalayan Mountains are still growing. a) True b) False 10) The majority of Earth’s volcanoes and earthquakes take place along the ... a) Himalayan Mountains b) Andes Mountains c) Ring of Fire d) Atlantic Ocean

Plate Tectonics

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