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5 Written questions

5 Matching questions

  1. decomposer
  2. deposition
  3. acid rain
  4. fertility
  5. litter
  1. a the loose layer of dead plant leaves and stems on the surface of the soil
  2. b process in which sediment is laid down in new locations
  3. c Soil organism that breaks down the remains of organisms and digests them.
  4. d A measure of how well soil supports plant growth.
  5. e rain containing high amounts of chemical pollutants.

5 Multiple choice questions

  1. The layer of soil that differs in color and texture from the layers above or below it.
  2. wedges of ice in rocks widen and deepen cracks
  3. Dark-colored organic material in soil.
  4. The breaking down of rocks and other materials on the Earth's surface.
  5. characteristic of a material that is full of tiny, connected air spaces that water can seep through

5 True/False questions

  1. sedimentearth materials deposited by erosion


  2. oxidationa chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust


  3. bedrockThe removal of rock particles by wind, water, ice, or gravity


  4. soilthe loose, weathered material on Earth's surface in which plants can grow


  5. erosionThe removal of rock particles by wind, water, ice, or gravity