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Changes to Earth
This will help students review for a test on changes to Earth.
Question | Answer |
---|---|
earthquake | a sudden movement of rocks in Earth's crust; shaking of the ground |
weathering | a process that breaks down rocks into smaller and smaller pieces |
Landslides can be caused by the force of | gravity |
causes of weathering | wind, rain, ice |
volcano | a crack or opening in Earth's crust that allows magma to come out |
deposition | the dropping off of weathered rock |
slow processes that change the Earth's surface | weathering, erosion, deposition |
fast processes that change the Earth's surface | earthquakes, floods, landslides |
erosion | the movement of sand or sediment away |
causes of erosion | wind, water, mining, building, farming |
landslide | Earth materials, like rock, sand, and soil, on the side of a slope or cliff drop down to a lower location at a rapid and sometimes unexpected pace |
Volcanic eruptions can | cause new rock to form as lava cools and hardens. |
floods | when an excess amount of water stays in an area and often overflows rivers and streams |