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Worksheets

Human Influences

Total questions: 17

Worksheet time: 18mins

Name
Class
Date
1.
The ozone layer protects us from
a)
UV rays
b)
CFCs
c)
Increased atmospheric heat
d)
Decreased atmospheric heat
2.
The ozone layer is damaged by
a)
CFCs
b)
Increase in greenhouse gases
c)
Increased global temperatures
d)
Sulfuric and nitric acids
3.

Which of the following is a source of air pollution?

a)

Difficulty in breathing

b)

Factories

c)

Eye irritation

d)

Drinking water

4.

Carbon monoxide is released from...

a)

human body

b)

plants

c)

vehicles

d)

styrofoam

5.

Which of the following are greenhouse gases?

a)

Carbon dioxide

b)

Methane

c)

Water vapor

d)

All answers are correct

6.
The Earth acts like a greenhouse that catches and traps heat from the sun.
a)
true
b)
false
7.
True or False: All of the radiation from the Sun is absorbed by the Earth
a)
True
b)
False
8.
What is the greenhouse effect?
a)
The warming of a planet due to trapped radiation.
b)
The cooling of Earth due to air pollution.
c)
The heating of a solid, such as a rock.
9.

How is the greenhouse effect produced?

a)

When solar energy trespasses the atmosphere.

b)

When some energy is reflected back to earth.

c)

When the green house is burned.

d)

When the sun doesn't emit radiation.

10.

How is the rise in global temperature affecting coral reefs?

a)

Increase in coral reefs

b)

Leads to the death of coral reefs

c)

Greater variety of coral reefs

d)

Improvement in breeding grounds for fish

11.

Why are forests important in reducing climate change? Trees ____

a)

use Carbon Dioxide to make food

b)

provide building materials

c)

are an important food source

d)

reflect all sunlight away from the Earth

12.

Which BEST explains why is there an increase in CO2 ?

a)

Rapid boost in the by burning of fossil fuels

b)

increase education about climate change

c)

Population growth leads to exhaling more CO2

d)

CO2 is released by the oceans as they warm

13.

Which best explains how livestock farming contributes to global warming ? Animals __________

a)

waste pollutes the soil

b)

are consuming too much grass

c)

decayed matter emits too much carbon dioxide

d)

produce methane when they are digesting food

14.

Which of the following would be most affected by contamination that accumulates in the body (such a micro-plastics)?

a)

Tertiary Consumer

b)

Secondary Consumer

c)

Primary Consumer

d)

Producer

15.

DDT _________ in animal tissue

a)

Accumulates

b)

is broken down

c)

Dissipate

16.

DDT is an example of a _________ factor in an ecosystem

a)

Biotic

b)

Abiotic

17.

What was DDT originally used as...

a)

Shampoo

b)

An insecticide

c)

An antibacterial cream

d)

Air freshener