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K12 LibreTexts

13.5: Weathering and Soils- Challenge 1

  • Page ID
    5554
  • 1. A river picks up sediments from its banks and moves them with the current. This is an example of ___.
    erosion
    2. ___ is the breakdown of solid rocks into sediments.
    Weathering
    3. ___ is the process by which sediments are removed from a given location, such as a rock face or riverbank.
    Erosion
    4. ___ occurs when a rock is scraped by rocks or other particles.
    Abrasion
    5. Scratches from rocks in a moving glacier are signs of ___.
    abrasion
    6. Mechanical weathering is a ___ process.
    physical
    7. Acid rain, oxygen, and water can all cause ___.
    chemical weathering
    8. Dissolution of calcite, rusting of iron-based minerals, and potassium feldspar losing its potassium are all examples of ___.
    chemical weathering
    9. Quartz sand is very common on beaches because ___.
    quartz is resistant to weathering, so it is left behind after other minerals erode away
    10. Water increases chemical weathering because ___.
    it facilitates chemical reactions
    11. The rate of water percolation, the temperature at which weathering takes place, and the type of rock all influence ___.
    the rate of weathering