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IB BIO HL Topic 4.4 Climate Change

Total questions: 27

Worksheet time: 20mins

Name
Class
Date
1.

Which gas makes up most of Earth's atmosphere

a)

oxygen

b)

carbon dioxide

c)

nitrogen

d)

carbon monoxide

2.

What does the ozone layer do?

a)

protects Earth from UV rays

b)

protects Earth from IR rays

c)

reduces Global warming

d)

increases the Greenhouse effect

3.

Which compound destroys the ozone layer

a)

CO2

b)

CBDs

c)

CH4

d)

CFCs

4.

Which surface has the highest albedo?

a)

bare soil

b)

water

c)

fresh snow

d)

concrete

5.

Which of the following are all Greenhouse gases?

a)

Carbon dioxide, nitrogen and oxygen

b)

carbon dioxide, methane and CFCs

c)

carbon dioxide, water vapour and sulphur dioxide

d)

carbon dioxide, CFCs and argon

6.

Which of the following cause natural variations in the Earth's temperature

a)

rearing cattle and paddy rice farming

b)

the burning of fossil fuels in power stations and vehicles

c)

the enhanced Greenhouse effect

d)

sun spots, volcanic eruptions and the Earth's orbit

7.
Where have some of the strongest and earliest impacts of global warming occurred?  
a)
in the tropics
b)
in the northern latitudes
c)
impacts of global warming are distributed equally all over the planet
8.
Which of the following have been linked to climate change?  
a)
droughts
b)
flooding
c)
melting of polar ice caps
d)
all of the above
9.
The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?
a)
lower levels of ozone in the atmosphere
b)
lower levels of nitrogen in the atmosphere
c)
higher levels of carbon dioxide in the atmosphere
d)
higher levels of oxygen in the atmosphere
10.
The two largest fuel sources are?
a)
wood and coal
b)
wood and natural gas
c)
oil and nuclear power
d)
coal and oil
11.
Some of the Earth's most fragile ecosystems that could be greatly impacted by climate change live in the
a)
tropical rainforest
b)
tundra
c)
oceans
d)
African Sahara desert
12.
As a result of climate change food prices could 
a)
increase
b)
decrease
c)
stay the same
13.

Why do we want to use more renewable energy sources?

a)

They cause more pollution

b)

They will go away if we don't use them

c)

They cause less pollution

d)

They are easier to create

14.

What is the definition of non-renewable energy sources?

a)

sources of energy that will never go away or be used up

b)

Sources of energy that can go away and be used up

c)

Wind, Solar, Hydro, Geothermal

d)

Coal, Oil, Gas

15.

What is the definition of renewable energy sources?

a)

sources of energy that will never go away or be used up

b)

Sources of energy that can go away and be used up

c)

Wind, Solar, Hydro, Geothermal

d)

Coal, Oil, Gas

16.
Greenhouse Gases
a)
Absorb Heat
b)
Reflect Heat
c)
Create Heat
d)
Are Hot
17.
Which of the following is the largest source of CO2 in the atmosphere?
a)
Transpiration (animals breathing out)
b)
Volcanoes 
c)
Fossil Fuels
d)
Plants decomposing or burning (deforestation)
18.
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
19.
How does atmospheric carbon dioxide affect global temperature?
a)
more CO2, lower temperature
b)
less CO2, lower temperature
c)
less CO2, higher temperature
d)
more CO2, higher temperature
20.
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
21.
What happens when energy from the Sun encounters a white surface (ice or snow)? The energy is:
a)
reflected off the surface and leaves the atmosphere
b)
reflected off the surface and trapped in the atmosphere
c)
absorbed by the surface and stored in the land and ocean
d)
absorbed by the surface, radiating heat into the atmosphere
22.
Which process does not release carbon dioxide into the environment?
a)
Combustion
b)
Respiration
c)
Decomposition
d)
Photosynthesis
23.

Coral Reefs can become bleached by:

a)

Decline in ocean temperature

b)

Rise in ocean temperature

c)

Rise in pH of water

d)

Decline in pH of water

24.

Coral depend on:

a)

Symbiotic algae

b)

Symbiotic protists

c)

Symbiotic bacteria

d)

All of the above

25.

The warming of the Earth is due to:

a)

Longer wavelength radiation

b)

Shorter wavelength radiation

c)

Decrease in atmospheric layers

d)

Decrease in ozone layers

26.

Greenhouse gases consist of:

a)

water vapor, hydrogen, carbon dioxide, methane

b)

water vapor, carbon dioxide, hydrogen sulfide, oxides of nitrogen

c)

water vapor, carbon dioxide, hydrogen sulfide, nitrous oxide, methane

d)

water vapor, carbon dioxide, methane, oxides of nitrogen

27.

Sources of greenhouse gases include:

a)

combustion of fossil fuels

b)

use of organic and commercial fertilizers

c)

industrial processes

d)

all of the above

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