Geology 100 Self-Test 17

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

  1. What conditions are necessary for an artesian well?

    2. Your answer:

  2. What distinguishes a geyser from a hot spring? Why does a geyser erupt?

    3. Your answer:

  3. What chemical conditions are necessary for a cave to develop in limestone? For stalactites to develop in a cave?

    4. Your answer:

  4. How does petrified wood form?

    5. Your answer:

  5. Porosity is

    6. Your answer:
    the percentage of a rock’s volume that has openings
    the capacity of a rock to transmit fluids
    the ability of a sediment to retard water
    none of the above

  6. Permeability is

    7. Your answer:
    the percentage of a rock’s volume that has openings
    the capacity of a rock to transmit fluid
    the ability of a sediment to retard water
    none of the above

  7. The subsurface zone in which all rock openings are filled with water is called the

    8. Your answer:
    saturated zone
    water table
    vadose zone

  8. An aquifer is

    9. Your answer:
    a body of saturated rock or sediment through which water can move easily
    a body of rock that retards the flow of ground water
    a body of rock that is impermeable

  9. Which type of rock would make the best aquifer?

    10. Your answer:
    shale
    mudstone
    sandstone
    all of the above

  10. The drop in the water table around a pumped well is the

    11. Your answer:
    drawdown
    hydraulic head
    porosity
    fluid potential