Renewable Resources-Levings

What is a renewable energy source?

• an energy source that cannot be used easily
• an energy source that pollutes the environment
• an energy source that can be used over and over
• an energy source that is used only in the United States

What is a benefit of renewable energy sources?

• They cause soot.
• They are non-electric.
• They are widely available.
• They are depleted quickly.

What is a renewable energy source?

• coal
• oil
• gas
• solar

Which device produces mechanical energy?

• windmill
• wind turbine
• solar panel
• nuclear plant

How did people use wind energy long ago?

• to generate electricity
• to run mills and pumps
• to control the weather
• to travel quickly on land

What is a drawback to wind energy?

• It only works when it is dark.
• It is the cleanest form of energy.
• Wind turbines create light pollution.
• Many wild animals are killed each year.

How do dams produce electricity?

• They convert water to electricity.
• Falling water spins turbine blades.
• Currents from fish turn generators.
• Sunlight heats up electrical enegines.

What energy source does hydropower use?

• ships
• sunlight
• waves
• wildlife

What is one drawback to hydroelectricity?

• There is not enough water.
• Dams regularly cause flooding
• It produces too much electricity.
• Wlildlife migrations are disrupted.

Tags

NGSS.MS-LS2-5

How does solar energy produce electricity?

• Sunlight breaks down petroleum.
• Sunlight is converted into electricity.
• Water is heated and spins a turbine.
• Water carries sunlight into an inverter.