Earth's Dynamic Surface
Rivers Computer Lab Exercise

Provided by Tasa Graphic Arts, Inc.

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Name:_____________________________________________________



  1. Name 3 processes that move Earth’s materials.

    ____________________________________________,      ____________________________________________, and

    ____________________________________________.


  2. What are the 3 main parts of a river?

    ____________________________________________,      ____________________________________________, and

    ____________________________________________.


  3. Water flows from its tributaries to its

    ____________________________________________________________________________________________________.


  4. Name the three main zones in a river?

    ____________________________________________,      ____________________________________________, and

    ____________________________________________.


  5. The delta of a river is also known as the zone of

    ____________________________________________________________________________________________________.


  6. Define a low order tributary.

    ____________________________________________________________________________________________________


  7. Define the water table.

    ____________________________________________________________________________________________________


  8. ________________________________________________ is a measure of how well rainwater will be absorbed by a soil.


  9. This is a term used to describe where rainwater flows in opposing directions when it hits the ground.

    ____________________________________________________________________________________________________


  10. How does a river begin to move soil, sand, gravel, or silt?

    ____________________________________________________________________________________________________

    ____________________________________________________________________________________________________


  11. Define entrainment.

    ____________________________________________________________________________________________________

    ____________________________________________________________________________________________________


  12. Define rainsplash erosion.

    ____________________________________________________________________________________________________

    ____________________________________________________________________________________________________


  13. In a river channel, what is a pool?

    ____________________________________________________________________________________________________

    ____________________________________________________________________________________________________


  14. In a river channel, what are steps?

    ____________________________________________________________________________________________________

    ____________________________________________________________________________________________________


  15. Really large steps are referred to as

    ____________________________________________________________________________________________________.


  16. An overall view of a river, from its headwaters to its mouth, is called a

    ____________________________________________________________________________________________________


  17. The 3 main water levels of a river or stream are

    ____________________________________________,      ____________________________________________, and

    ____________________________________________.


  18. Define bankfull discharge.

    ____________________________________________________________________________________________________

    ____________________________________________________________________________________________________


  19. What is a flood?

    ____________________________________________________________________________________________________

    ____________________________________________________________________________________________________


  20. Define discharge.

    ____________________________________________________________________________________________________

    ____________________________________________________________________________________________________


  21. How can a small channel actually carry as much water as a larger channel?

    ____________________________________________________________________________________________________

    ____________________________________________________________________________________________________


  22. Define bedload.

    ____________________________________________________________________________________________________

    ____________________________________________________________________________________________________


  23. Define saltation.

    ____________________________________________________________________________________________________

    ____________________________________________________________________________________________________


  24. Smaller sediments that move in the water column like silts and clays are called

    ____________________________________________________________________________________________________


  25. What are 3 factors that determine channel patterns?

    ____________________________________________,      ____________________________________________, and

    ____________________________________________.


  26. Define delta.

    ____________________________________________________________________________________________________

    ____________________________________________________________________________________________________

Do quiz at the end!!!