WorksheetsUnit 7 Human Impact 2
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
1. ___________________ is made from the remains of decaying plant and animal remains.
a)
organic material
b)
inorganic material
c)
litter
d)
bedrock
2.
2. Soil is a mixture of....... (choose all that apply)
a)
organic material
b)
Weathered rock particles, sediment
c)
air
d)
water
3.
3. The first step in the process of forming soil is
a)
the weathering of rock into sediment
b)
bacteria decomposing organic material
c)
formation of humus
4.
4. Which soil conservation method helps prevent soil erosion?
a)
laying ground cover such as mulch or straw
b)
planting wind breaks (trees) around a flat, open field
c)
conservation plowing- leaving harvested crop on the ground
d)
all of these
5.
5. Which of the following is a renewable resource _____
a)
coal
b)
oil
c)
sun
d)
natural gas
6.
6. Using the heat from the Earth's interior to generate electricity is which form of renewable energy?
a)
biomass
b)
geothermal
c)
nuclear
d)
hydroelectricity
7.
7. _______ power is generated from the heat released when uranium atoms split (fission).
a)
biomass
b)
solar
c)
nuclear
d)
geothermal
8.
8. Which source/s are considered nonrenewable? Choose all that apply
a)
Fossil Fuels
b)
Nuclear
c)
coal
d)
petroleum/oil
e)
Hydroelectricity
9.
9. Which description BEST explains a NONrenewable resource?
a)
A resource that pollutes the environment
b)
A resource that is clean
c)
A resource that cannot be replaced in the amount of time that it is used.
d)
A resource that can be replaced in the amount of time that it take to use it.
10.
10. List the soil layers in order starting from the surface.
a)
organic material, topsoil, subsoil, weathered bedrock, bedrock
b)
organic material, subsoil, topsoil, bedrock, weathered bedrock
c)
topsoil, organic material, subsoil, bedrock, weathered bedrock
d)
topsoil, organic material, subsoil, weathered bedrock, bedrock
11.
11. Which of the following are considered renewable? choose all that apply.
a)
solar energy
b)
wind
c)
hydroelectric power
d)
geothermal
e)
nuclear energy
12.
12. Using this form of soil conservation helps decreases soil erosion caused by water runoff on land that is sloped.
a)
contour plowing
b)
conservation plowing
c)
terrace farming (terracing)
d)
crop rotation
13.
13. The burning of fossil fuels uses/releases which form of energy?
a)
geothermal
b)
nuclear
c)
solar
d)
wind
14.
14. What is the problem with fossil fuels?
a)
there is an endless supply
b)
limited supply and will eventually run out
c)
helps the environment
d)
alternative resources are cheaper than fossil fuels
15.
15. Which of the following is a DISADVANTAGE of solar energy?
a)
it is renewable
b)
it does not release greenhouse gases
c)
it is expensive to build solar panels / solar power plants.
d)
the sun is not going to die for another 5 billion years.
16.
16. Which of the following is an ADVANTAGE of nuclear power? check all that apply.
a)
nuclear power does not create greenhouse gasses
b)
nuclear power plants are costly to build
c)
Nuclear waste is radioactive and safe disposal is very difficult and expensive
d)
the process of nuclear fission creates a lot of energy with little fuel
e)
the process of mining, storing, and transporting uranium can have negative effects on the environment.
17.
17. Nuclear power is the energy created from which element?
a)
iron
b)
uranium
c)
copper
d)
hydrogen
18.
18. One benefit to using renewable energy resources would be that
a)
renewable energy resources are inexpensive.
b)
wind power is available everywhere.
c)
renewable energy resources require less equipment to operate.
d)
The resources are replenished within a short amount of time.
19.
19. Which of the following energy sources would have the least ecological impact when used in the production of electricity?
a)
A hydroelectric plant that dams a river to produce electricity.
b)
A nuclear power plant to produce electricity.
c)
Burning wood to produce electricity.
d)
Solar panels on the roof of homes to produce electricity.
20.
20. ______________ is a fossil fuel that creates the most air pollution while _______________ creates the least.
a)
coal, oil
b)
oil, coal
c)
coal, natural gas
d)
oil, natural gas
21.
Greenhouse gasses can cause...
a)
cooler global temperatures
b)
increase soil erosion
c)
global warming
d)
global sea levels decreasing
22.
Greenhouse gases, such as carbon dioxide
a)
trap heat energy in the atmosphere which can lead to global warming and climate change.
b)
allows heat to escape into space which leads to global cooling and climate change.
c)
causes ozone depletion leading to increased cases of skin cancer
d)
creates smog leading to increased cases of breathing related problems such as asthma.
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