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Greenhouse Effect and Global Warming

Total questions: 20

Worksheet time: 33mins

Name
Class
Date
1.

In general, what happens to the climate (of the Earth) if more greenhouse gases are released (through human activities and natural occurrences) into the atmosphere?

a)

Average temperature goes up

b)

Average temperature goes down

c)

Average temperature remains the same

d)

None of the above

2.
Which of the following is NOT an effect of Global Warming?
a)
Polar ice caps will melt.
b)
Coastal regions will be covered with rising sea levels.
c)
Some areas will experience serious droughts
d)
The Earth's rotation will slow down and eventually stop
3.
Things you can do to help decrease global warming include:
a)
Eat more ice cream.
b)
Keep your freezer door open.
c)
Keep your air conditioner on high.
d)
Turn off your lights when you’re not using them.
4.
The main human activity that releases greenhouse gases is
a)
using bottled water
b)
burning fossil fuels
c)
texting on cellphones
d)
eating meat
5.
The greenhouse gas having the greatest role in human-caused global warming is
a)
methane
b)
carbon dioxide
c)
CFCs (chlorofluorocarbons)
d)
ozone
6.

As greenhouse gases increase in the atmosphere....

a)

More heat gets trapped on Earth which causes warming

b)

More light gets reflected into space which causes cooling

c)

More light gets trapped on Earth which causes warming

d)

More heat gets reflected into space which causes cooling

7.

Check all that apply: Which of the following are consequences of massive deforestation, by burning, of rainforests worldwide?

a)

Increase carbon emissions into the atmosphere

b)

Decrease carbon absorption by photosynthesis

c)

Fewer greenhouse gases in the atmosphere

d)

Global warming

e)

Global cooling

8.

In the northern hemisphere, as trees grow new leaves in the spring/summer, what happens to carbon dioxide concentrations in the atmosphere?

a)

They increase

b)

They decrease

c)

They stay constant

9.

The increase in Earth's average temperatures as a result of increased greenhouse gases in the atmosphere is called:

a)

The greenhouse effect

b)

Climate change

c)

Global Warming

d)

Fantasy

10.
Do we need greenhouse gases on Earth?
a)
Yes - they keep the Earth warm
b)
Yes - they keep all the gases on our planet
c)
No - they only cause terrible climate change
d)
No - they only block some of the Sun's rays
11.

Why is the increase of Greenhouse gases a big issue?

a)

It causes climate change and increase in the global temerature

b)

It can lead to a major increase in Greenhouses

c)

It leads to more factories

d)

It causes a major decrease in people

12.
The gradual increase in the temperature of the atmosphere is known as ________________.
a)
Greenhouse Effect
b)
Global Warming
c)
Carbon Dioxide Gases
d)
Methane
13.
Which of the following is the most troubling greenhouse gas being produced by humans?
a)
Water Vapor
b)
Carbon Dioxide
c)
Methane
d)
Nitrous Oxide
14.
How can global warming cause sea levels to rise? Choose the best answer.
a)
by causing it to rain more often
b)
by melting glaciers and ice caps
c)
by increasing the number of undersea volcanic eruptions
d)
by creating bigger and more powerful hurricanes
15.
Why does cutting down trees increase global warming?
a)
trees soak up carbon dioxide
b)
trees provide shade which counteracts global warming
c)
trees absorbs the sun's energy without radiating back into the atmosphere
d)
trees drain greenhouse gases like methane from soil
16.
What is this difference between global warming and the greenhouse effect?
a)
Global warming refers to a change in the Earth's climate that is causing it to heat up; the greenhouse effect is a natural process that happens constantly, due to sunlight and the atmosphere.
b)
Global warming and the greenhouse effect are the same thing.
c)
The greenhouse effect comes within global warming.
d)
Global warming comes within the greenhouse effect
17.
The greenhouse gas having the greatest role in human-caused global warming is
a)
methane
b)
carbon dioxide
c)
CFCs (chlorofluorocarbons)
d)
ozone
18.

Why is the increase of Greenhouse gases a big issue?

a)

It causes climate change and increase in the global temerature

b)

It can lead to a major increase in Greenhouses

c)

It leads to more factories

d)

It causes a major decrease in people

19.
The gradual increase in the temperature of the atmosphere is known as ________________.
a)
Greenhouse Effect
b)
Global Warming
c)
Carbon Dioxide Gases
d)
Methane
20.
How can global warming cause sea levels to rise? Choose the best answer.
a)
by causing it to rain more often
b)
by melting glaciers and ice caps
c)
by increasing the number of undersea volcanic eruptions
d)
by creating bigger and more powerful hurricanes