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Freshwater Unit Exam

Authored by Amanda (CAM)

Social Studies

9th - 12th Grade

Used 9+ times

Freshwater Unit Exam
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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

These are all physical tests for water quality except..

Turbidity

Salinity

Temperature

BOD (biochemical oxygen demand)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Runoff of sewage and agricultural wastes into coastal waters cause which of the following?

Algae growth

Rainwater

Surface runoff

Oil spill

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What two important nutrients are tested for in a body of water to check for eutrophication levels?

Nitrates and Phosphates

Dissolved Oxygen and pH

Carbon Dioxide and Oxygen

Nitrates and Dissolved Oxygen

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A factory is located next to a river. The factory has a sewage pipe running straight out of the factory and into the river. This is an example of _________________.

Point source pollution

Non-point source pollution

Tertiary receiving stream

Primary treatment

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pollutants entering waterways from a general area, such as runoff from farmland or suburban communities

Pollution

Point source pollution

Non-point source pollution

Turbidity

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

"Turbidity" is the measure of a body of water's

cloudiness

eutrophication

temperature change

flocculation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following describes the correct order for the water treatment process?

  1. Sedimentation 2. Chlorination 3. Filtration
  1. Sedimentation 2. Filtration 3. Chlorination
  1. Filtration 2. Chlorination 3. Sedimentation
  1. Filtration 2. Sedimentation 3. Chlorination

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