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Sccience Grade 2 Earth's processes

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  • What is a tsunami?
    A huge wave
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  • Name 3 slow changes of Earth.
    weathering, erosion, deposition
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  • Name 3 quick changes of Earth
    Earthquake, tsunami, flood
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  • What is lava?
    Lava comes out of volcano when it erupts
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  • What do we call the sudden shaking of the ground?
    Earthquake
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  • What do we call a hole at the top of the volcano?
    a crater
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  • A flood is a large amount of water that coveres land not ....
    usually covered by water
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  • What are the reasons of a landslide?
    heavy rains, cutting down the treees
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  • What is the difference between a dike and a levee?
    A dike holds back sea/ocean water
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  • What is erosion?
    Water takes pieces of rocks, sand and soil and carriesr it to a new place
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  • Can wind cause erosion?
    Yes
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  • What do we call a process? Water or wind drops pieces of rock, sand and soil at a new place
    Deposition
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  • What do we call the process of breaking of rocks?
    Weathering
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  • How do people protect their fields from erosion?
    People build windbreaks, leveees, walls of rocks
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  • What do we see after the earthquake?
    Houses are destroyed, cracks in the ground
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  • How do people change land?
    They build roads, houses, tunnels ...
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