Unit 7 Natural Resources Test Review

How do the two main kinds of natural resources compare?

• Renewable resources cannot be replaced, while nonrenewable resources can be replaced.

• Renewable resources are unlimited, while nonrenewable resources are limited.

• Both renewable and nonrenewable resources are sustainable.

• Renewable resources are man-made, while nonrenewable resources are naturally occuring.

His family currently uses city electricity, and their power comes from a coal burning power plant. What problems come from using fossil fuels? Choose the two that apply.

• burns very hot

• nonrenewable

• contributes to greenhouse effect

• expensive

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Fossil fuel reserves indicate that at one time, there was a large _______ that covered the area.

• ocean

• prairie

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Passive solar heat depends on sunlight passing through _______. Active solar power comes as a result of a solar cell that converts the energy.

• a solar cell

• the roof

• battery

• glass

• a greenhouse

Passive solar heat depends on sunlight passing through glass. Active solar power comes as a result of a _______ that converts the energy.

• a solar cell

• the roof

• battery

• glass

• a greenhouse

However, even with advances in technology, alternative energy sources still have some limitations. What limitations affect many forms of alternative energy sources? Choose the three that apply.

• cannot be used everywhere

• cannot generate energy in large enough amounts

• can be costly to set up initially

• are difficult to use

• affect habitats

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Javier's class visited a power plant near his city, and they learned how hydropower is used to produce electricity. What does this form of power depend on for generating electricity?

• movement of turbines spun by moving air

• converting the energy from the sun

• movement of large amounts of water downhill

• evaporation of large volumes of water

Geological activities have distributed Earth's resources, including energy resources, unequally around the world. What is the original source of energy on Earth?

• Photosynthesis

• The food chain

• The sun

• The carbon cycle

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Minerals are solid substances that are non-living and made from elements or certain combination of elements. In which of Earth's spheres would minerals be found?

• hydrosphere

• atmosphere

• biosphere

• geosphere

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Human activities have had a major impacts on Earth. Which of the following human activities have negatively affected the environment? Choose the THREE that apply.

• burning fossil fuels

• using alternative energy sources

• clear cutting forests

• overpopulation

• practicing conservation

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