Geology 100 Self-Test 16

Answer the questions below and then click "submit" to send your answers.

  1. How does a stream widen its valley?

    2. Your answer:

  2. What is base level?

    3. Your answer:

  3. The total area drained by a stream and its tributaries is called

    4. Your answer:
    hydrologic cycle
    tributary area
    divide
    drainage basin

  4. Stream erosion and deposition are controlled primarily by a river’s

    5. Your answer:
    velocity
    discharge
    gradient
    channel shape
    channel roughness

  5. Hydraulic action, solution, and abrasion are all examples of

    6. Your answer:
    erosion
    transportation
    depositation

  6. Cobbles are more likely to be transported in a stream’s

    7. Your answer:
    bed load
    suspended load
    dissolved load
    all of the above

  7. A river’s velocity is ____ on the outside of a meander curve compared to the inside.

    8. Your answer:
    higher
    equal
    lower

  8. Sandbars deposited on the inside of meander curves are called

    9. Your answer:
    dunes
    point bars
    cutbanks
    none of the above

  9. The broad strip of land built up by sedimentation on either side of a stream channel is

    10. Your answer:
    a flood plain
    a delta
    an alluvial fan
    a meander

  10. A platform of sediment formed where a stream flows into standing water is

    11. Your answer:
    an alluvial fan
    a delta
    a meander
    a flood plain