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Global Warming: Greenhouse Gases

Total questions: 38

Worksheet time: 35mins

Name
Class
Date
1.
What is the greenhouse effect?
a)
warming of the earth due to gases in our atmosphere.
b)
cooling of the earth due to gases in our atmosphere
2.
We need the natural greenhouse effect for Earth to be habitable.
a)
True
b)
False
3.
The enhanced greenhouse effect leads to global warming.
a)
True
b)
False
4.

Which 2 greenhouse gases contribute the MOST to global warming of Earth?

a)

Nitrogen dioxide and water vapor

b)

Ozone and water vapor

c)

Carbon dioxide and methane

5.
Which of the following sets of evidence supports global warming?
a)
CO2 levels rising
b)
Sea Levels rising
c)
Glacier mass decreasing
d)
All of the Above
6.
The following graph tells us what?
a)
Sea Levels are decreasing.
b)
Sea Levels are rising.
7.
What temperature would Earth be with no greenhouse effect?
a)
25 degrees C
b)
50 degrees C
c)
-18 degrees C
d)
0 degrees C
8.
Climate is defined as...
a)
a change in weather/temperature over a long period of time.
b)
a change in density over a long period of time.
9.
The main human activity that releases greenhouse gases is
a)
using bottled water
b)
burning fossil fuels
c)
texting on cellphones
d)
eating meat
10.
Worldwide, temperatures have been increasing for more than 100 years.  Is this evidence of global warming?
a)
yes
b)
no
11.
The greenhouse gas having the greatest role in human-caused global warming is
a)
methane
b)
carbon dioxide
c)
CFCs (chlorofluorocarbons)
d)
ozone
12.
Carbon is used by plants during which process?
a)
Respiration
b)
Transpiration
c)
Photosynthesis
d)
Transportation
13.
What is the greenhouse effect?
a)
warming of the earth due to gases in our atmosphere.
b)
cooling of the earth due to gases in our atmosphere
14.
Is wood a renewable resource?
a)
No, once you cut down a tree it is gone forever.
b)
Yes, we can manage forests and replace trees that are used.
15.

Which one of the choices below is NOT a cause for global warming?

a)

Having too many cows

b)

Burning Fossil Fuels

c)

Planting new trees

d)

Driving cars

16.
The gradual increase in the temperature of the atmosphere is known as ________________.
a)
Greenhouse Effect
b)
Global Warming
c)
Carbon Dioxide Gases
d)
Methane
17.
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
18.
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
19.
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
20.

What happens to the temperature if more greenhouse gases are released into the atmosphere?

a)

Temperature goes up

b)

Temperature goes down

c)

Temperatures stay the same

21.
Without the Greenhouse Effect the Earth would be too
a)
warm 
b)
cold
c)
dead
d)
funny
22.
Global warming and the greenhouse effect are exactly the same.
a)
True
b)
False
23.
Burning fossil fuels is one of the main causes for global warming.
a)
True
b)
False
24.
By what amount did carbon dioxide in Earth's atmosphere increase between 1960 and 2000?
a)
40 -50 ppm
b)
60 -70 ppm
c)
110 -120 ppm
d)
360 -370 ppm
25.
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
26.

Things you can do to help decrease global warming include:

a)

Don't idle your car for more than one minute

b)

Turn your thermostat to 68 or less in winter

c)

Keep your air conditioner on high.

d)

Turn off your lights when you’re not using them.

27.
Carmen is going to the market to purchase food for her family. She is very conscious of her choices and is working to reduce her carbon footprint. Which of the following would help her to be successful in her goal?
a)
Purchasing meats packaged at the local supermarket, but trucked in from out of state
b)
Purchasing fresh fruits and vegetables at the local supermarket that were shipped from out of state
c)
Purchasing fresh fruits and vegetables from the local farmer’s market
d)
None of these choices will reduce her carbon footprint
28.
The graph below shows CO2 emissions and temperatures from 1909 to 1949.  What conclusion is best supported by the graph?
a)
There is no relationship between carbon dioxide concentrations and temperatures
b)
As carbon dioxide concentrations increase, temperatures increase
c)
As carbon dioxide concentrations increase, temperatures decrease
d)
As carbon dioxide concentrations decrease, temperatures increase
29.
What is the mixture of gases surrounding the Earth called?
a)
carbon
b)
concentration
c)
atmosphere
d)
emissions
30.

Oceans are important to our environment and atmosphere because... (Choose all that apply)

a)

They absorb heat and carbon dioxide.

b)

They hold 97% of the world's water

c)

They generate 50% of the oxygen we breathe?

d)

They create opportunities for family outings and activities.

31.

Trees are so important to our environment because they absorb (sink) which greenhouse gas?

a)

methane

b)

carbon dioxide

c)

water vapor

d)

oxygen

32.

Choose all of the leading contributors of carbon dioxide that are contributing to global warming.

a)

forest fires

b)

human breathing (respiration)

c)

car exhaust

d)

coal and natural gas fueled electric plants

e)

volcanoes

33.

In which of these areas would you be breathing in a lot of methane gas? (more than one)

a)

A farm with livestock

b)

The beach.

c)

A mall.

d)

A landfill.

34.

Greenhouse gases are important to our planet's survival because...

a)

They create a natural cooling effect that keeps us from burning up.

b)

They fuel the cars we drive.

c)

They create oxygen which we need to breathe.

d)

They keep our earth warm so we can sustain life.

35.

Why are too many greenhouse gases bad for the environment?

a)

They cause trees to die.

b)

They release heat and will be the cause of the next ice age.

c)

They trap heat in our atmosphere causing the planet to warm up.

d)

They are fossil fuels which pollute our environment.

36.

Oil, gasoline and coal are all examples of this type of fuel.

a)

natural gases

b)

fossil fuels

c)

alternative fuels

d)

bio-fuels

37.

Choose all of the following that are alternative (greener) energy sources...

a)

The sun

b)

Wind

c)

Electricity

d)

Water

38.

Which of these is considered a non renewable energy source? (choose all that apply)

a)

solar power

b)

gasoline

c)

geothermal power

d)

coal

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