1) Many volcanoes are: a) mountains b) plain 2) The hole at the top of the volcano is called: a) magma b) crater 3) Hot melted rocks that come out of the crater is called: a) lava b) slope 4) When the lava cools it: a) evaporate into ash b) hardens into solid rocks 5) Is the sudden shaking of the ground. a) earthquake b) flood 6) Earthquake is  a) quick change of Earth b) slow change of Earth 7) A flood can happen when there is: a) hot weather b) heavy rain for a long time 8) _____ is when the side of a hill or mountain falls down. a) landslide b) deposition 9) What are the events that could cause a landslide? a) heavy rainfalls and flood b) plants and animals 10) Volcanoes, earthquakes, landslide, and flood are examples of  a) quick change of the earth b) slow change of the earth

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