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Worksheets

11c and 11d

Total questions: 51

Worksheet time: 31mins

Name
Class
Date
1.
What does NOT produce carbon dioxide?
a)
Photosynthesis
b)
Burning Fossil Fuels
c)
Animal respiration
d)
Plants decaying
2.
Combustion is another word for __________.
a)
Transportation
b)
Respiration
c)
Fossil Fuels
d)
Burning
3.
TRUE or FALSE?
All of the carbon in existence is continually recycled in the carbon cycle.
a)
True
b)
False
4.
Organisms that do not decompose can be buried and become what?
a)
water
b)
nutrients
c)
air
d)
fossil fuels
5.
Carbon can be found in...
a)
The atmosphere
b)
Soil
c)
Fossil fuels
d)
All of the above
6.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
7.
What process occurs when coal (fossil fuel) is used for energy?
a)
Decomposition
b)
Combustion
c)
Pressurization 
d)
Respiration 
8.
Respiration is the process by which animals take in _____ and release _____. 
a)
photosynthesis, air
b)
carbon, oxygen
c)
oxygen
d)
oxygen, carbon dioxide
9.
The diagram shows the flow of organic molecules through an ecosystem. What two processes are identified by the labels X and Y?
a)
X : Respiration
Y : Predation
b)
X : Adaptation
Y : Decomposition
c)
X : Fermentation
Y : Nitrogen Fixation
d)
X : Decomposition
Y : Respiration
10.
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 and other greenhouse gases in the atmosphere
d)
higher levels of oxygen in the atmosphere
11.
When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.
a)
Water
b)
Atmosphere
c)
Sun
d)
Air
12.
Which one of these does not add CO2 to the atmosphere?
a)
cooking with gas
b)
planting trees
c)
burning wood
d)
riding in a bus
13.
What does not produce carbon dioxide?
a)
Photosynthesis
b)
Burning Fossil Fuels
c)
Animal respiration
d)
Plants decaying
14.
How do living organisms return carbon to the atmosphere in the carbon cycle?
a)
respiration and photosynthesis
b)
 decomposition and respiration
15.
In the carbon cycle, producers take in the gas __
a)
carbon dioxide
b)
oxygen
c)
nitrogen
d)
carbon monoxide
16.
How does the carbon in grass become part of a lion?
a)
The lion eats the grass
b)
Carbon from grass doesn't end up in a lion. 
c)
The carbon ends up in the lion's food chain. 
d)
The lion breathes in carbon given out by the plant
17.
All of the carbon in existence is continually recycled in the carbon cycle
a)
True
b)
False
18.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
19.
Organisms that do not decompose can be buried and become what?
a)
water
b)
nutrients
c)
air
d)
fossil fuels
20.
If the plant population decreased, the amount of carbon would _________.
a)
Stay the same
b)
Increase
c)
Decrease
21.

Which is a true statement?

a)

Humans depend on oxygen, plants depend on carbon dioxide

b)

Plants produce carbon dioxide

c)

Humans depend on carbon dioxide, plants depend on oxygen

d)

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

22.

Which of the following creates a calcium carbonate structure?

a)

plants

b)

cows

c)

corals

d)

decomposers

23.

1.What does the picture represent?

a)

Lines of latitude

b)

Greenhouse effect

c)

Climatic zones

d)

Weather patterns

24.

How is the rise in global temperature affecting coral reefs?

a)

Increase in coral reefs

b)

Leads to the death of coral reefs

c)

Greater variety of coral reefs

d)

Improvement in breeding grounds for fish

25.

Which two are likely to result from global warming?

a)

increase in surface temperatures

b)

reduction in greenhouse gases

c)

rise in ocean levels

d)

decrease in air pollution

26.

Why are forests important in reducing climate change? Trees ____

a)

use Carbon Dioxide to make food

b)

provide building materials

c)

are an important food source

d)

reflect all sunlight away from the Earth

27.

Which TWO activities produce the greatest amount of greenhouse gases?

a)

Deforestation

b)

Electricity generation

c)

Transportation

d)

Landfills

28.

Which BEST explains why is there an increase in CO2 ?

a)

Rapid boost in the by burning of fossil fuels

b)

increase education about climate change

c)

Population growth leads to exhaling more CO2

d)

CO2 is released by the oceans as they warm

29.

Which best explains how livestock farming contributes to global warming ? Animals __________

a)

waste pollutes the soil

b)

are consuming too much grass

c)

decayed matter emits too much carbon dioxide

d)

produce methane when they are digesting food

30.
Increasing quantities of CO2 (Carbon Dioxide) in the atmosphere will cause air temperatures to be _____. 
a)
warmer
b)
cooler
31.
Climate change causes extreme weather conditions such as:
a)
Flooding
b)
Heat Waves
c)
Hurricanes
d)
All of the above
32.
The amount of carbon dioxide CO2 in the atmosphere is decreasing. 
a)
True
b)
False
33.
Which human activity contributes the MOST carbon dioxide to the atmosphere?
a)
Fishing
b)
Breathing
c)
Burning Fossil Fuels
d)
Farming
34.

Melting land ice...

a)

causes sea levels to rise because it adds water to the ocean.

b)

does not cause sea levels to rise because the water fills the space left by the melted sea ice.

35.
When weather patterns change over a long period of time, we call it ___
a)
climate adaptation
b)
weather change
c)
climate change
d)
weather adaptation
36.
Increased carbon dioxide may cause global warming by trapping more ____________ in the atmosphere.
a)
water
b)
gases
c)
heat
d)
water vapor
37.

True or False: Climate on Earth never changes

a)

True

b)

False

38.
Which of the following describes the importance of biodiversity to an ecosystem?
a)
a. People like to be able to see all the different plants and animals
b)
b. If there aren�t all the different species, there will be resources that aren�t being used
c)
c. Biodiversity is not as important as many people think
d)
d. Biodiversity can help minimize the effects of losing a species.
39.
A plant nursery only grew one type of tomato. All of their tomatoes died from the same disease. What was most likely true of the tomato plant population?
a)
a. It had too little biodiversity
b)
b. It had a lot of resistance to disease
c)
c. It had a few plants that were resistant to disease
d)
d. It had too much genetic variation
40.
Which human activity would be most destructive to the biodiversity of the biosphere?
a)
a. The burning of wood and coal in rural areas
b)
b. The release of species of freshwater trout in lakes
c)
c. The removal of plants from the food webs they support
d)
d. The removal of erosion barriers from forest boundaries
41.
What two human activities contribute the most to global warming?
a)
a. Burning fossil fuels and deforestation
b)
b. Mining and vehicle exhaust
c)
c. Burning fossil fuels and agriculture
d)
d. Deforestation and agriculture
42.
What affect will continued rise in global temperature most likely have on worldwide biodiversity?
a)
a. It will have no effect as there is plenty of time for organisms to adapt
b)
b. It will increase due to warmer temperatures
c)
c. It will increase due to greater plant production from more CO2
d)
d. It will decrease due to massive habitat destruction
43.
Which of the following results in the breakdown of the ozone layer?
a)
a. CFCs
b)
b. Acid Rain
c)
c. Carbon Dioxide
d)
d. Nitrogen Oxides
44.
What does biodiversity mean?
a)
Only one species in an area.
b)
The different amount of species in an area
c)
All abiotic life
d)
Nitrogen fixation
45.
Environments always have both living and _________.
a)
nonliving factors
b)
bio-geochemical cycles
c)
nutrients
d)
ecosystem
46.
Biodiversity is the variety of ________ in a community.
a)
genes
b)
population
c)
species
d)
community
47.
What is deforestation?
a)
Clearing Earth's forests on a massive scale
b)
Eating too much vegetables
c)
Going to a forest and pulling weeds
d)
Clearing the five trees in my backyard
48.
What are the effects of deforestation ?
a)
loss of habitat
b)
increased green house gasses 
c)
soil erosion and flooding
d)
all of the above
49.
Does deforestation contribute to global warming?
a)
No, trees aren't that important
b)
Sometimes because only the cutting down of Maple trees contributes to global warming
c)
No, deforestation adds methane to the atmosphere, which makes the Earth cooler
d)
Yes; less trees means less CO2 is turned into oxygen.
50.
what is the leading cause of deforestation?
a)
Diseases 
b)
Housing market
c)
Agriculture and Farming
d)
Paper mill
51.
What are the effects of deforestation ?
a)
loss of habitat
b)
increased green house gasses 
c)
soil erosion and flooding
d)
all of the above