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Global Climate Change

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

The area of human activity responsible for the highest greenhouse gas emissions is

a)

energy supply

b)

transport

c)

agriculture

d)

industrial

2.

The area of human activity responsible for the second highest greenhouse gas emissions is

a)

residential activity

b)

transport

c)

agriculture

d)

industrial

3.

The highest gaseous pollutant is

a)

methane

b)

nitrous oxide

c)

carbon dioxide

d)

fluorinated gases

4.
How does Sunlight effect the Earth's surface?
a)
It warms the Earth.
b)
It cools the Earth.
c)
It has no effect.
5.
This is an image demonstrating...
a)
Tornado Formation
b)
Hurricane Formation
c)
Greenhouse Effect
6.
Which of the following is a long term effect of the greenhouse effect?
a)
Ice caps and glaciers melt. 
b)
Change in weather patterns and climate.
c)
Rising sea levels.
d)
All of the above
7.
Water in the atmosphere also acts as a greenhouse gas.
a)
True
b)
False
8.
If the greenhouse effect is too strong, Earth gets...
a)
colder and colder
b)
warmer and warmer
9.

Which of the following are greenhouse gases?

a)

Carbon dioxide

b)

Methane

c)

Water vapor

d)

All answers are correct

10.

A super powerful greenhouse gas that traps up to 4 times more heat in Earth's atmosphere is:

a)

oxygen

b)

methane

c)

water vapor

d)

gasoline

11.
Which is a natural source of greenhouse gases?
a)
aerosols
b)
deforestation
c)
volcanic eruptions
d)
burning fossil fuels
12.

In the Greenhouse Model what part of the model is the same as the Atmosphere around Earth?

a)

The Ground in the Greenhouse

b)

The plants in the Greenhouse

c)

The glass walls of the Greenhouse

d)

The magnetic waves from the sun

13.
Currently, about 10% of Earth is covered with ice year-round. If this ice melts, what could happen to Earth’s temperature?
a)
Increase
b)
Decrease
c)
Remain the Same
d)
Not enough information 
14.
How can the planting of new trees help reduce climate change?
a)
Trees help create breezes.
b)
Trees release moisture that cools the atmosphere.
c)
Trees take in carbon dioxide from the atmosphere during photosynthesis.
d)
Trees block the release of greenhouse gases from soil.
15.
Global warming refers specifically to an increase in 
a)
the number of storms on Earth.
b)
precipitation from Earth’s atmosphere.
c)
temperatures everywhere on Earth.
d)
Earth’s average surface temperature.
16.

Which of the following are major greenhouse gases?

a)

CO2 (Carbon Dioxide)

b)

CH4 (Methane)

c)

H2O (Water Vapor)

17.
What are the two main factors that determine the climate of an area?
a)
precipitation and humidity
b)
temperature and air pressure
c)
wind conditions and humidity
d)
temperature and precipitation
18.

Which of the following has caused sea levels to rise in many parts of the world?

a)

Ocean acidification

b)

Melting ice

c)

Ozone depletion

d)

Changes in global ocean circulation

19.

What is the probable cause of global warming?

a)

a reduction in the number of glaciers

b)

increased greenhouse gases in the atmosphere

c)

weakened prevailing winds

d)

faster ocean currents

20.
Carbon dioxide is released in the atmosphere MAINLY by...
a)
Burning fossil fuels like coal and oil
b)
Bacteria in soil and ocean
c)
Cows
d)
Growing rice
21.
Which of the following is the best conclusion that can be made from this graph?
a)
atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
humans have been working hard to decrease carbon dioxide levels
d)
atmospheric carbon dioxide levels have increased steadily since 1960
22.
Which natural process removes carbon dioxide from the atmosphere?
a)
forest fires
b)
volcanic eruptions
c)
cellular respiration
d)
photosynthesis
23.

Which of the following gases IS NOT considered a greenhouse gas?

a)

carbon dioxide

b)

nitrogen

c)

water vapor

d)

methane

24.

Global temperatures have been increasing drastically?

a)

since the Jurassic Era (time of dinosaurs) 65 million yr ago

b)

since the advent of human kind.

c)

since the industrial revolution.

d)

Climate change is not real and there is not scientific evidence of temperature change.

25.
Carbon is stored in
a)
Trees and other living things
b)
Oceans
c)
underground in soil and fossil fuels
d)
All are correct
26.

The largest store of Carbon Dioxide on our planet is found in which of the following?

a)

In the atmosphere

b)

In our Oceans

c)

Barried in the ground

d)

In living organisms

27.
What two things can happen when energy from the Sun interacts with the ground?
a)
absorbed & reflected
b)
absorbed & refracted
c)
absorbed & transmitted
d)
reflected & refracted
28.
What happens if you remove all of the carbon dioxide from the atmosphere? The temperature:
a)
decreases
b)
increases
c)
stays the same
29.
Describe how changes in the amount of ice covering Earth's surface can affect Earth's temperature.
a)
more ice, more reflection, cooler temperature
b)
more ice, less reflection, cooler temperature
c)
more ice, more absorption, cooler temperature
d)
more ice, less absorption, warmer temperature
30.
Is the melting of Arctic ice an example of positive feedback or negative feedback?
a)
positive
b)
negative
31.
Which photograph shows the land being less able to reflect incoming solar radiation (having a lower albedo)?
a)
top image (1909)
b)
bottom image (2005)
32.
How do the changes in cloud cover affect Earth's temperature?
a)
more clouds, higher temperature
b)
more clouds, lower temperature
c)
less clouds, lower temperature
33.
Describe the average temperature change from 1880 to 2010.
a)
increase by 0.8
b)
increase by 1.0
c)
increase by 0.6
d)
increase by 0.4
34.
Where has the temperature changed the most?
a)
central latitude
b)
central longitude
c)
north pole
d)
south pole
35.
Carbon dioxide keeps infrared radiation: 
a)

Close to the surface where it increases temperature

b)

out of the atmosphere so it can not increase the surface temperature.

36.
Which of the following are considered the major greenhouse gases?
a)
water vapor and ozone
b)
water vapor and carbon dioxide
c)
ozone and carbon dioxide
d)
ozone and methane
37.
What is climate?
a)
A long period of time. 
b)
Atmospheric conditions of a place at a particular point in time. 
c)
Average atmospheric conditions of a place over a long period of time, usually 30 years. 
d)
Current weather outlook of a place. 
38.
Which of the following is the best conclusion that can be made from this graph?
a)
Atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
Humans have been working hard to decrease carbon dioxide levels
d)
Atmospheric carbon dioxide levels have increased steadily since 1960s. 
39.
Which of the following is not a greenhouse gas?
a)
Carbon dioxide
b)
Methane
c)
Water vapour
d)
Nitrogen
40.
Limited levels of carbon dioxide and methane are recommended to be in the atmosphere to retain heat.  
a)
True
b)
False
41.
The enhanced greenhouse effect is the increase in global temperatures due to an increase in atmospheric greenhouse gases. 
a)
True
b)
False
42.
The burning of fossil fuels (eg. coal, gas, and oil results in the release of  __________.
a)
Oxygen
b)
Methane
c)
Carbon dioxide
d)
Nitrogen
43.
Climate change can lead to _______________.
a)
sea level rise and floods in coastal areas
b)
droughts
c)
spread of dengue fever and malaria
d)
all of the above
44.
What is currently happening to polar regions?
a)
nothing
b)
freezing
c)
moving
d)
melting
45.
Which activity is the largest source of U.S. greenhouse gases?
a)
vehicle emissions
b)
electricity generation
c)
factory emissions
d)
geothermal power
46.
Warmer ocean temperatures may lead to the death of algea and coral bleaching.
a)

true

b)
false
47.
How do scientists determine CO2 levels from 800,000 years ago?
a)
Tree Rings
b)
Ice Cores
c)
Fossils
d)
Dry river beds
48.
How do scientists collect evidence about climate?  
a)
using remote sensing from space with satellites
b)
by ground-based measurements of surface temperatures, carbon dioxide concentration and sea level
c)
by collecting “proxy data” from tree rings, ice cores, and historical records
d)
all of the above
49.
What is the largest carbon sink in the world?
a)
The Amazon
b)
The Oceans
c)
The Deserts
d)
The Forests
50.
Which natural process removes carbon dioxide from the atmosphere?
a)
forest fires
b)
volcanic eruptions
c)
cellular respiration
d)
photosynthesis

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