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Science 9 Unit C 2.0 Review

Authored by Bryn Lewin

Science

9th Grade

Used 8+ times

Science 9 Unit C 2.0 Review
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39 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Assuming that winds typically come from the Southwest, what site would have the highest pollution?

Site A

Site B

Site C

Site D

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Assuming that winds typically come from the Northwest, where would be the cleanest place to build a home?

Site A

Site B

Site C

Site D

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which of the following most likely caused a change in the air quality in country X over five days?

wind speed and direction

wind direction and amount of carbon dioxide

wind speed and temperature

temperature and amount of carbon dioxide

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Scientific studies have shown that the mercury content in the northern pike (a fish) is extremely high in some Alberta lakes. The pike is the last link in a food chain. Based on the information given, the scientific study most likely had to do with…

Biomagnification

Phytoremediation

Biodegradation

Dispersion

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Which organism shown in the food chain above would contain the greatest concentration of chemical pollutants?

phytoplankton

krill

tuna

shark

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fertilizer from agricultural run-off can enter nearby streams and lakes. One effect that this has on the water environment is that…

the water is poisoned

the oxygen content of the water drops

aquatic plant growth decreases

fish and other large animals increase in population

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An abundance of which of the following would indicate that water is polluted?

trout and other game fish

sludge worms and leeches

salamanders and turtles

variety of insect larvae

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