Energy Resources - Ms. Chesser

Volcanic activity indicates where magma is near the surface of Earth. Which type of energy is most likely available in areas where volcanoes are located?

• nuclear energy

• solar energy

• geothermal energy

• hydroelectric energy

Answer explanation

Geo means Earth. Thermal mean heat. Geothermal energy is made from heat within Earth.

The difference between air temperatures over water and over land creates sea BREEZES near the coast/beach. This makes the coastline an ideal location for which type of energy?

• nuclear

• wind

• solar

• hydroelectric

Answer explanation

The coastline is the same thingas the beach. It is very breezy or windy at the beach.

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Coal is available in may locations and can be easily transported from one location to another. Coal is easy to burn and make a lot of energy. Which of the following is a disadvantage of coal?

• Mining coal causes destruction to the natural environment.

• Burning coal is environmentally friendly.

• Coal is expensive.

• Coal is a renewable energy source.

Answer explanation

Mining destroys the natural land. Look at this picture.

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What is an advantage of the source of energy in this picture?

• hydroelectric power can be used to provide hot water

• water can be heated using fossil fuels

• cold water can be collected and stored

• water can be heated using a clean sources of energy

Answer explanation

The sun is shining down on a solar panel and the cold water is being heated.

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A major disadvantage of solar power is that the sun doesn't shine in one place 24 hours a day. From this we can infer -

• an additional sources of energy would be necessary for part of each day(like the night time).

• solar power can help slow global warming

• solar power would not be available most places in the world.

• solar power is NOT a good alternative energy source.

Answer explanation

If the sun doesn't shine in one place 24 hours a day, (the sun doesn't shine at night) you will need to use a different source o energy until the sun comes out again.

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Hydroelectric power is electricity that is generated using the power fo falling water. Which of the following is a disadvantage of the use of hydroelectric power?

• Falling water is unable to generate enough electricity to make it a good option.

• It requires the construction of a dam which can harm the natural environment.

• It uses up water from a river.

• It pollutes the source of water.

Answer explanation

Look at this picture of a river before the dam was built and after the dam was built. Building a dam slows the flow of the river and floods the land behind the dam. This flooding destroy the habitats of plants and animals.

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Wind energy is a clean and renewable source of energy. What other advantage of wind energy is shown in the picture?

• Wind power has the potential to create jobs.

• Wind power relies on a source of water.

• Wind power is inexhaustible.

• Wind turbines can be built on land that is already being used for farming or ranching.

Answer explanation

If you have a farm or ranch, it a huge advantage to be able to build wind farms on the land as well.

The diagram shows a watershed with a petroleum plant and how the use of fossil fuels impacts the area. What is a major disadvantage of the use of fossil fuels?

• Burning fossil fuels results in the pollution of air and waterways.

• Fossil fuels require equipment that is too expensive.

• It is difficult to transport fossil fuels.

• Burning fossil fuels produces only limited amounts of energy.

Answer explanation

A major disadvantage of BURNING anything (including fossil fuels).

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Cold water can be pumped underground . The heat from beneath the Earth turns the water into steam that can be used to spin turbines for the generation of electricity. What form of energy is described?

• hydrocelectric

• volcanic

• geothermal

• nuclear

Answer explanation

"Geo" means earth. "Thermal" means heat. Geothermal is heat from Earth.

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Solar energy is available from sunlight that is directed towards Earth's surface. This type of energy is readily available in some areas and is a clean source of energy for the development of electricity for homes and businesses. Why is solar energy not currently in use in more places across the world?

• The pollution associated with this form of energy make it less desirable.

• Solar panels are expensive to build.

• The Earth's crust is thicker in some areas.

• Sunlight isn't available in many places on Earth.

Answer explanation

Solar panels are VERY expensive which is a huge disadvantage.

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