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Global Climate Review

Total questions: 60

Worksheet time: 30mins

Name
Class
Date
1.
The following is an example of what type of feedback loop?
a)
Negative Feedback Loop
b)
Neutral Feedback Loop
c)
Positive Feedback Loop
d)
Global Warming Feedback Loop
2.

Which is an example of anegative feedback loop?

a)

Decreasing temperature ➜increase in ice cover ➜increase in reflection of sunlight ➜decrease in temperature

b)

Decreasing temperature ➜decrease in plant cover ➜decrease in absorption of carbon dioxide ➜increase in temperature

3.
What type of feedback is shown by the image?
a)
open 
b)
closed
c)
positive 
d)
negative
4.
True or False? Many different feedback loops can be occurring at the same time and make it difficult to predict how climate change will affect us.
a)
True
b)
False
5.

Warming ocean temperatures increasing the rate of dissolved ocean CO2 outgassing

a)

Positive feedback loop

b)

Negative feedback loop

c)

Not a feedback loop

6.

Increasing atmospheric CO2 concentrations increasing the rate of photosynthesis by plants and ocean phytoplankton

a)

Positive feedback loop

b)

Negative feedback loop

c)

Not a feedback loop

7.

Increase in droughts from climate change resulting in more frequent and severe wildfires

a)

Positive feedback loop

b)

Negative feedback loop

c)

Not a feedback loop

8.

Increase in global temperatures causing more melting of polar sea ice (albedo of ice = 0.6, albedo of water = 0.06)

a)

Positive feedback loop

b)

Negative feedback loop

c)

Not a feedback loop

9.

A ________________ feedback loop makes a system more stable.

a)

Positive

b)

Neutral

c)

Negative

d)

Circular

10.

A _________________ feedback loop moves a system to an extreme.

a)

Positive

b)

Neutral

c)

Circular

d)

Negative

11.

As the Earth warms, increased evaporation produces more clouds. Clouds increase albedo, reflecting more light away from the Earth. The temperature falls. Rates of evaporation fall.

a)

Positive Feedback Loop

b)

Negative Feedback Loop

12.

As the Earth warms, upper layers of permafrost melt, producing waterlogged soil above frozen ground. Methane gas is released into the environment. The greenhouse effect is enhanced. The Earth warms, melting more permafrost.

a)

Positive Feedback Loop

b)

Negative Feedback Loop

13.

As the Earth warms, ice cover melts, exposing soil or water. Albedo decreases. More energy is absorbed by the Earth’s surface. Global temperature rises. More ice melts.

a)

Positive Feedback Loop

b)

Negative Feedback Loop

14.

As the Earth warms, ice cover melts, exposing soil or water. Albedo decreases. More energy is absorbed by the Earth’s surface. Global temperature rises. More ice melts.

a)

Positive Feedback Loop

b)

Negative Feedback Loop

15.

Does the graph show positive or negative feedback?

a)

Positive, because when the red line shifts, the blue one does also

b)

Negative, because the blue line starts below equilibrium

c)

Negative, because the two actions are keeping each other near equilibrium

d)

Both positive and negative because the graph moves up and down

16.
What are all of the climate zones that result from the unequal heating of Earth?
a)
tropical and polar
b)
temperate and polar
c)
temperate and tropical
d)
tropical, temperate, and polar
17.
The diagram represents solar energy that is absorbed by Earth's land and water surfaces and is changed into heat that radiates back into the atmosphere.What is this process called?
a)
ozone
b)
radiation
c)
greenhouse effect
d)
evaporation
18.
The oceans make up 70% of Earth's surface. They regulate the overall temperature of the earth by absorbing a great deal of solar energy and heating up slowly. What is true about the oceans' release of heat?
a)
The oceans release heat rapidly and add to the greenhouse effect.
b)
The oceans release heat more slowly than the land.
c)
The oceans release heat more rapidly than the land.
d)
The oceans release heat at the same rate as the land.
19.
Which statement accurately compares the heating and cooling rates for water and land?
a)
Water heats up and cools down at a faster rate than land.
b)
Land heats up and cools down at a slower rate than water.
c)
Water heats up and cools down at a slower rate than land.
d)
Land and water heat up and cool down at the same rate.
20.

Select ALL examples of greenhouse gases from the list below.

a)

Carbon dioxide (CO2)

b)

Methane (CH4)

c)

Water vapor (H2O)

d)

Oxygen

21.

What happens to the temperature of the atmosphere if more greenhouse gases are added? (Hint: think about Venus)

a)

Temperature goes up

b)

Temperature goes down

22.

Without the Greenhouse Effect the Earth would be...

a)

too warm for life

b)

too cold for life

23.

The gas that is most abundant (highest percentage) in the atmosphere is

a)

oxygen

b)

nitrogen

c)

carbon dioxide

d)

argon

24.

In what form is radiation emitted from the Earth's surface back into the atmosphere?

a)

As visible light

b)

As UV light

c)

As gamma rays

d)

As Infrared light (heat)

25.

How could climate change cause sea levels to rise? Choose the best answer.

a)

By causing it to rain more often

b)

By melting glaciers and polar ice caps

c)

By increasing the number of undersea volcanic eruptions

d)

By creating bigger and more powerful hurricanes

26.
Visible light reaches Earth’s surface while infrared light is trapped as heat. Which characteristic of Earth’s atmosphere causes this to happen?
a)
the hole in the ozone
b)
the greenhouse effect
c)
atmospheric pressure
d)
the inversion layer
27.

What results from livestock and other agricultural practices and by decay in municipal landfills?

a)

Carbon Dioxide

b)

Methane

c)

Water Vapor

d)

Fluorinated Gases

e)

Nitrous Oxide

28.
What is the greenhouse effect?
a)
The cooling of Earth's atmosphere by certain gases
b)
The reflection of sunlight by Earth's atmosphere
c)
The absorption of sunlight by Earth's atmosphere
d)
The trapping of heat in Earth's atmosphere by certain gases
29.

Which is a true statement?

a)

Humans depend on oxygen, plants depend on carbon dioxide

b)

Plants produce carbon dioxide only

c)

Humans depend on carbon dioxide, plants depend on oxygen

d)

Humans don't depend on plants for the air they need

30.

What does NOT produce atmospheric carbon dioxide?

a)

Photosynthesis

b)

Burning Fossil Fuels

c)

Animal respiration

d)

Anything living in the ocean.

31.
Organisms that do not decompose can be buried and become what?
a)
water
b)
nutrients
c)
air
d)
fossil fuels
32.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
33.

Plants use ____________________ to make their own food.

a)

Carbon Dioxide

b)

Oxygen

c)

Materials

d)

Gravity

34.

How do animals get carbon?

a)

By eating plants and or other animals.

b)

They absorb it from the atmosphere.

c)

From the ground

d)

They do not get carbon from anywhere.

35.

What are fossil fuels made from?

a)

Plants and animals that are buried underground for millions of years.

b)

They absorb it from the atmosphere.

c)

Water

d)

Wind

36.
When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.
a)
Water
b)
Atmosphere
c)
Sun
d)
Air
37.
Why is the ocean important to the carbon cycle?
a)
It keeps sediment containing carbon underwater for millions of years
b)
The ocean gives out more carbon then it takes in (increases global warming)
c)
The ocean isn't important to the carbon cycle.
38.

A ____________ is a reservoir that takes up a chemical element and stores it for a long period of time.

a)

Sink

b)

Source

c)

Bucket

d)

Location

39.

What is a carbon source?

a)

A reservoir contributing carbon to the biosphere

b)

A reservoir contributing carbon to the atmosphere

c)

A reservoir contributing carbon to the lithosphere

d)

A reservoir contributing carbon to the hydrosphere

40.

What is a flux?

a)

movement of air

b)

movement of water

c)

movement of carbon

d)

movement of 2 of the above

41.

Fossil fuel emissions release carbon into the atmosphere, this is an example of?

a)

carbon sink

b)

carbon source

42.

Photosynthesis is a process which uses carbon from the atmosphere, this is an example of?

a)

carbon sink

b)

carbon source

43.

What has the highest albedo?

a)

the oceans

b)

Ice in the Arctic or Antarctic

c)

the ground

d)

roads

44.
Albedo can best be described as...
a)
the temperature at the equator
b)
the amount of solar radiation absorbed
c)
the amount of solar radiation reflected
d)
the air pressure during El Nino
45.
What has the highest albedo?
a)
the oceans
b)
 glacial ice
c)
the ground
d)
roads
46.

How does heat energy from the sun reach Earth?

a)

conduction

b)

insulation

c)

radiation

47.

What heats faster, land or water?

a)

Land

b)

Water

48.

Which would you expect to have the lowest albedo?

a)

dark soil

b)

white sand

c)

ice and snow

d)

deep sea water

49.
If the ice caps continue to melt, then there is less albedo at the poles.  This process will continue to melt more ice and have less albedo.  This is an example of a...
a)
fruit loops
b)
loop di loop
c)
negative feedback loop
d)
positive feedback loop
50.
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 
51.

If you want to keep your house cool all year, should you design the house roof to have a high or a low albedo?

a)

High

b)

Low

52.

Which object below would have an albedo score of 1.

a)

A green forest

b)

A deep blue ocean

c)

Fresh clean snow

d)

A pitch black rooftop

53.

Which object below would have an albedo score of 0.

a)

A green forest

b)

A deep blue ocean

c)

Fresh clean snow

d)

A pitch black rooftop

54.

The amount of light reflected by a surface. Represented by a value between 0-1.

a)

Carbon Cycle

b)

Albedo

c)

Photosynthesis

d)

Nuclear Fusion

55.

Light colored surfaces ____________ more radiation than dark colored surfaces.

a)

reflect

b)

absorb

56.

Dark colored surfaces _________ more radiation than light colored surfaces.

a)

reflect

b)

absorb

57.

Which of these are the main characteristics that define climate?

a)

weather and humidity

b)

temperature and precipitation

c)

pressure and preciptitation

d)

weather and pressure

58.

What does most sunlight do when it reaches earth?

a)

Gets absorbed by the surface

b)

Gets reflected by the surface

c)

Gets absorbed by the air

d)

Gets reflected by the air

59.

High or low albedo: thick clouds

a)

high

b)

low

60.

What is climate?

a)

weather

b)

rain, sleet, snow, or hail

c)

average weather in a region over a long period of time

d)

the amount of ice cream available in a city

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