188 Freshwater

Lesson 3

Skim Lesson 3 in your book. Read the headings and look at the photos and illustrations. Identify three things you want to learn more about as you read the lesson. Record your ideasin your Science Journal.

Groundwater and WetlandsC

opyright © G

lencoe/McG

raw-H

ill, a division of The M

cGraw

-Hill C

ompanies, Inc.

Organize information on groundwater.

Groundwater:

Collects as water seeps through and into

.

Some groundwater lies

.

Some groundwater lies

hundreds of meters

.

Groundwater can stay underground for long periods, but eventually it returns to the surface and reenters

the .

Identify four important facts about groundwater .

Groundwater

helps form ,

lakes, and

more plentiful than used as a

provides water to

of plants

Groundwater I found this on page .

I found this on page .

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Freshwater 189

Lesson 3 | Groundwater and Wetlands (continued)C

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Identify the underground zones associated with the water table.Draw a red line where the water table is located. Label the line “water tabl e.” Then, explain the difference between the two zones.

zone

zone

land surface

Compare porosity and permeability.

Porosity Permeability

Summarize two facts about groundwater flow.

Groundwater

fl ows

is replaced as

I found this on page .

I found this on page .

I found this on page .

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190 Freshwater

Lesson 3 | Groundwater and Wetlands (continued)C

opyright © G

lencoe/McG

raw-H

ill, a division of The M

cGraw

-Hill C

ompanies, Inc.

Explain, in your own words, how wells and aquifers are related.

Organize information about 3 types of wetlands. Include at least three facts about each type.

Bogs

Wetlands

Swamps Marshes

I found this on page .

WetlandsI found this on page .

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Freshwater 191

Lesson 3 | Groundwater and Wetlands (continued)C

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I found this on page . Summarize why wetlands are important.

Function What Wetlands Do

Habitat

Flood control

Erosion control

Filtration

Identify three effects of wetlan d destruction.

Cause Effects

Wetlands are drained and filled with soil for roads, buildings, and other uses.

1.

2.

3.

I found this on page .

A developer wants to build houses near a lake. Much of the ground is currently covered with a marsh. What would you tell the developer about filling in the marsh and building on it?

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