Study

Weathering and erosion

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  • Sediment that is deposited at the mouth of a river makes the mouth of the river ...
    shallower
  • Volcanoes and earthquakes can push land upward. True or False
    True
  • A huge sheet of ice that stays frozen all year is called...
    glacier
  • The layer of soil that contains humus is called...
    topsoil
  • It occurs when water or wind gradually wears away rock by friction
    Abrasion
  • The three sizes of weathered rock found in soil are... A) pebbles, gravel, and clay B) sand, pebbles, and clay C) sand, silt, and clay
    C
  • A moraine is a hill formed by a ....
    glacier
  • The process of breaking down rocks into smaller pieces is called...
    weathering
  • An area of sediment that builds up at the mouth of a river is called...
    delta
  • The layer in which most plants grow is called...
    topsoil
  • Two types of landforms are: A) mountains and dunes B) gorges and rivers C) dunes and lakes
    A
  • Three things that can cause rocks to weather are... A) wind, tornadoes, and plants B) wind, water, and plants C) water, rain, and plants
    B
  • A sudden downhill movement of a large amount of snow and ice is called...
    avalanche
  • The layer that is made of solid, unweathered rock under layers of soil is called ...
    bedrock
  • The dropping of sediment in a new place is called ...
    deposition
  • The moving of bits of weathered material from one place to another is called...
    erosion
  • Mr. M's favorite spelling word is ...
    banana
  • The rapid downhill movement of a large amount of soil and rocks is called...
    landslide
  • The soil layer that is mostly coarse, weathered rocks and does not contain humus is called...
    subsoil
  • Two kinds of sudden erosion caused by gravity are... A) landslides and avalanches B) wind and water C) wind and avalanches
    A
  • The process of water in and around rocks and soil freezing and expanding, breaking up the rocks is called...
    frost weathering
  • Smalls bits of weathered rock and other material are called ...
    sediment
  • Soil is made of A) water, humus and fossil B) weathered rock, air, and mesas C) weathered rock, water, air, and humus
    C
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