Science - 5.9 Energy Resources

[5.9] Can energy be created or destroyed?

No. Energy cannot be created or destroyed.

[5.9] What is a nonrenewable energy resource?

A natural resource that cannot be replaced after it is used because it takes millions of years to form.

[5.9] What are the three fossil fuels listed in this section?

Petroleum, coal, and natural gas.

[5.9] Are fossil fuels renewable or nonrenewable?

Nonrenewable.

[5.9] What is a renewable energy resource?

A resource that is naturally replaced and can be used again.

[5.9] What are three renewable energy sources?

Wind, water, and sunlight.

[5.9] Is wind energy renewable or nonrenewable?

Renewable.

[5.9] Is water energy renewable or nonrenewable?

Renewable.

[5.9] Is solar energy renewable or nonrenewable?

Renewable.

[5.9] Is petroleum renewable or nonrenewable?

Nonrenewable.

[5.9] Is coal renewable or nonrenewable?

Nonrenewable.

[5.9] Is natural gas renewable or nonrenewable?

Nonrenewable.

[5.9] Which type of energy source generally causes more environmental harm: fossil fuels or renewable sources?

Fossil fuels.

[5.9] What are some harmful effects of energy use?

Air pollution, water pollution, and wildlife and habitat loss.

[5.9] What are some ways to conserve energy at home?

Turn off lights and electronics, take shorter showers, and adjust the thermostat.

[5.9] How can transportation choices conserve energy?

Walking or biking instead of driving short trips uses less energy.

[5.9] How does technology help with energy?

It improves our ability to harness and use energy more efficiently.