Energy Sources

Electricity and heat production creates 25% of the world's greenhouse gas emissions. Which of these government actions would best help reduce air pollution caused by burning fossil fuels for electricity and heat.

• A. Create laws that limit how much pollution power plants can release

• B. Encourage companies to burn coal because it's cheaper

• C. Provide funding (money) to organizations that use energy from the sun, wind, or water

• D. Make power plant chimneys taller so the smoke spreads out more in the sky.

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Which of the following is a benefit provided by trees?

• Trees are susceptible to certain diseases caused by insects and soil contaminants.

• Trees help filter the water within the soil.

• Trees release oxygen into the atmosphere.

• Trees can be beautiful to look at.

What is the energy source for the solar panel shown in the image below?

• Sound

• Mechanical

• Thermal

• Light

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Why is solar energy considered renewable energy?

• It's cheaper than fossil fuels
• The sun's energy would not run out for billions of years
  
• Solar energy recharges batteries
• All of them

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What kind of energy is this?

• hydro

• solar

• wind

• geothermal

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What are examples of renewable energy sources?

• Solar

• Wind

• Coal

• Gas

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What is the definition of renewable energy sources?

• sources of energy that will never go away or be used up

• Sources of energy that can go away and be used up

• Wind, Solar, Hydro, Geothermal

• Coal, Oil, Gas

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What kind of energy is this?

• hydro

• solar

• wind

• geothermal

The poster shown below advertises tours of a power plant.
This power plant produces electricity most likely by using-

• fossil fuels
• biofuels
• solar energy
• geothermal energy

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Which of the following is an example of a renewable energy source?

• Natural gas

• Coal

• Wind

• Petroleum