CHAPTER 19: EARTHQUAKES



CHAPTER 10: GROUNDWATER

Section 10.1 Movement and Storage of Groudwater

1. Create a pie graph that compares the percentages of the sources of water on Earth.

2. Sequence Number the steps in the movement of ground water. The first one has been completed for you.

_____ water infiltrated into the ground

__1__ seawater evaporates

_____ water becomes part of groundwater

_____ precipitation

_____ groundwater returns to surface through springs

_____ water flows from springs back to the oceans

3. Draw diagrams of sediment with different porosity.

|Well-Sorted Sediment |Poorly Sorted Sediment |

| | |

| | |

| | |

| | |

| | |

Hypothesize why poorly sorted sediments might be less porous.

________________________________________________________________________________________________________________________________________________________________________________________________________________________

4. Explain how a kitchen sponge floating in water compares to the zone of saturation and the water table.

________________________________________________________________________________________________________________________________________________________________________________________________________________________

5. Draw a diagram similar to Figure 10.3 with an aquifer overlain by an impermeable layer of rock.

-Show where a reliable well could be dug.

-Draw a well that would be unreliably filled with water.

-Show where a well would be dry.

Section 10.2 Groundwater Erosion and Deposition

1. Analyze cave formation by completing the paragraph below.

A ______________ is a natural underground opening with a _______________ to the surface. Caves form when ______________ is dissolved by ________________. The limestone becomes more ________________ as it dissolves. Caves usually form in the zone of _____________________ below the ______________________.

2. Draw a diagram to show the landforms found in a karst region. Label the following on your diagram:

- dry cave -sinkhole -sinking stream -water-filled cave -water table

3. Create a Venn diagram to compare and contrast stalagmites and stalactites.

Section 10.3 Groundwater Wells

1. Draw a diagram illustrating how an artesian well forms.

2. Describe how pumping affects a water well by completing the cycle diagram below.

[pic]

3. Summarize threats to the water supply, causes, and consequences in the table below.

|Threat |Causes |Consequences |

|Overuse | | |

| | | |

|Subsidence | | |

| | | |

|Pollution of | | |

|Groundwater | | |

|Chemicals | | |

| | | |

|Salt | | |

| | | |

|Radon | | |

| | | |

4. Identify four ways that pollution that has entered the groundwater system can be controlled.

a. _____________________________________________________________________

b. _____________________________________________________________________

c. _____________________________________________________________________

d. _____________________________________________________________________

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Water supply is __________________ from ______________ and runoff.

A _____________ of _______________ is created.

Well is ____________

which _____________ the water level.

Water level in a well is the same as the water table.

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