E-Sci_WaterRes

Question 1

__% of the Earth’s water is ocean water with high concentration of salt. Only the __% is fresh water or water with low concentration of salt.

Answer 1

97%, 3%

Question 2

Freshwater regions:

Answer 2

a. Ponds and Lakes
b. Streams and Rivers
c. Wetlands

Question 3

Are usually under 20 feet deep, 200 acres wide, small and enclosed.

Answer 3

Ponds

Question 4

Are usually 4,000 feet deep, open, and larger than 200 acres wide.

Answer 4

Lakes

Question 5

Defined as larger, permanent bodies of water that flow through a channel or bed from one area to another, typically has a larger
watershed, which is the area of land that drains it.

Answer 5

Rivers

Question 6

Are smaller streams that flow into the main river.

Answer 6

Tributaries

Question 7

Are smaller bodies of water that flow through a channel or bed from one area to another. They are typically fed by smaller tributaries and have a smaller watershed than river.

Answer 7

Streams

Question 8

Are areas where water covers the soil, or is present either at or near the surface of the soil all year or for varying periods of time during the year, including during the growing season.

Answer 8

Wetlands

Question 9

The water found underground in the cracks and spaces in soil, sand and rock. It is stored in and moves slowly through geologic formations of soil, sand and rocks called ____.

Answer 9

Ground Water, Aquifer

Question 10

Used for drinking water by more than 50 percent of the people in the United States, including almost everyone who lives in rural areas.

Answer 10

Ground Water

Question 11

The two most common elements in sea water, after oxygen and hydrogen, are?

Answer 11

Sodium and Chloride