Lab: Newton's Laws of Motion — Unit test Answers

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How does mining impact the environment?

A
It has a positive impact on the environment by permanently altering the ecosystem.
B
It has a positive impact on the environment by releasing chemicals into the environment.
C
It has a negative impact on the environment by allowing toxic chemicals to harm wildlife.
D
It has a negative impact on the environment by providing new niches for wildlife to inhabit.
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Ingrid listed some important resources in a chart.

Question illustration
A
X: YesY: Water
B
X: NoY: Coal
C
X: YesY: Coins
D
X: NoY: Sunlight
3

Zoe read that drinking water from a faucet instead of from a plastic bottle helps overcome a disadvantage of using nonrenewable resources. Which conclusion is best supported by this information?

A
Water can be used up and cannot be replaced.
B
Plastic is made from petroleum oil.
C
Making plastics is inexpensive.
D
The water in faucets in healthier.
4

Which best contrasts hydroelectric power and geothermal energy?

A
Turbines are used in power plants that harness only geothermal energy but not hydroelectric power.
B
Turbines are used in power plants that produce hydroelectric power but not geothermal energy.
C
In the US, geothermal energy is a more widely used energy source than hydroelectric power.
D
In the US, hydroelectric power is a more widely used energy source than geothermal energy.
5

Which procedure will most increase the energy output of a nuclear reactor?

A
exposing the core to the outside world
B
removing fissile material from the core
C
decreasing the amount of steam produced
D
raising the control rods out of the reactor
6

Natural resources are classified as renewable and nonrenewable. What is the difference between the two?

A
whether or not the resource exists in nature
B
whether or not the resource can be replaced
C
whether or not the resource dwindles in supply
D
whether or not the resource is useful to humans
7

Reducing, reusing, and recycling are used to

A
make more ores.
B
increase metal production.
C
burn fossil fuels.
D
conserve resources.
8

Which statement best compares the amount of fossil fuels formed each year to the amount used each year?

A
The amount of fossil fuels formed is exactly the same as the amount used.
B
The amount of fossil fuels formed is approximately the same as the amount used.
C
The amount of fossil fuels formed is much less than the amount used.
D
The amount of fossil fuels formed is greater than the amount used.
9

Rosa listed some advantages and disadvantages of using renewable resources. Which best describes Rosa’s error?

Question illustration
A
Wind does not easily generate a lot of electricity.
B
Wind is a very reliable energy resource.
C
Geothermal energy causes a lot of air pollution.
D
Geothermal energy is available everywhere.
10

Why is sustainable use of natural resources important?

A
to ensure that natural resources are available for future generations
B
to help make daily life simpler by providing what every person needs
C
to encourage scientists to make new and elaborate discoveries
D
to prevent the exchange of resources from one region to another
11

What effect does supercritical mass have on a nuclear reaction?

A
The reaction rate increases.
B
The reaction produces less energy.
C
The reaction involves increased fusion.
D
The reaction produces fewer neutrons.
12

The Great Pacific Garbage Patch is an area in the North Pacific Ocean that contains trash and causes harm to ocean life and those that consume that life. What lessons can be learned from this floating pile of trash?

A
There is no relationship between our daily activities and the environment.
B
There are more polluters in the Pacific Ocean than in the Atlantic Ocean.
C
There are areas of the ocean to avoid with boats.
D
There is a relationship among all living things on Earth.
13

The diagram shows two energy resources.Which labels best categorize the resources shown in the diagrams?

Question illustration
A
X: NaturalY: Human-made
B
X: LimitedY: Unlimited
C
X: Can be ReplacedY: Cannot be Replaced
D
X: Used in Power PlantsY: Not Used in Power Plants
14

Why is sunlight considered a renewable resource?

A
It is used for energy.
B
It is found in nature.
C
It is abundant.
D
It is helpful.
15

Which issue poses the greatest long-term challenge in the development of new nuclear power plants?

A
controlling carbon dioxide emissions
B
storage of radioactive waste
C
controlling fission reactions
D
mining of uranium

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Lab: Newton's Laws of Motion — Unit test Answers…