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5 Written questions

5 Matching questions

  1. acid rain
  2. erosion
  3. humus
  4. soil
  5. bedrock
  1. a The removal of rock particles by wind, water, ice, or gravity
  2. b the loose, weathered material on Earth's surface in which plants can grow
  3. c The solid layer of rock beneath the soil
  4. d rain containing high amounts of chemical pollutants.
  5. e Dark-colored organic material in soil.

5 Multiple choice questions

  1. any one of several processes by which gravity moves sediment downhill
  2. characteristic of a material that is full of tiny, connected air spaces that water can seep through
  3. The layer of soil beneath the topsoil that contains mostly clay and other minerals.
  4. wedges of ice in rocks widen and deepen cracks
  5. the grinding away of rock by other rock particles carried in water, ice, or wind

5 True/False questions

  1. weatheringThe breaking down of rocks and other materials on the Earth's surface.

          

  2. sedimentearth materials deposited by erosion

          

  3. topsoilMixture of humus, clay, and other minerals that forms the crumbly, topmost layer of soil.

          

  4. depositionThe removal of rock particles by wind, water, ice, or gravity

          

  5. loamthe loose, weathered material on Earth's surface in which plants can grow