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Earth Systems Test Review

Authored by Allen Wilson

Other Sciences

8th Grade

Used 15+ times

Earth Systems Test Review
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which will most likely result if there is increased upwelling in a coastal area?

more aquatic life

less nutrients in the water

higher water temperatures

fewer nitrates

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which factors can have the greatest effect on the health of a river system?

type of soil and salinity

nitrate levels and turbidity

human consumption and pH

natural disasters and tidal changes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a body of water has high turbidity levels, what can most likely be concluded?

It has a low pH

It is unsafe to drink.

It is too hot to drink.

It contains a lot of chemicals.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which oceanic zone do clams and crabs survive by burrowing in the sand?

oceanic

intertidal

deep ocean

open ocean

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which effect does fertilizer runoff have on North Carolina lakes and streams?

The fertilizer causes some organisms to thrive, but hurts others.

The fertilizer causes the water to become hotter, killing certain fish.

The fertilizer causes fish to become sterile, preventing them from spawning.

The fertilizer causes the water to become over-oxygenated, killing aquatic plants.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which location would fishermen most likely catch a greater number of fish?

at the shoreline

in an upwelling

in the intertidal zone

on the deep-ocean floor

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the most likely effect of too much nitrogen and phosphorus flowing into a lake?

algal blooms

greater salinity

decreased turbidity

lower temperature

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