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Renewable Energy Exploration Worksheet

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Renewable Energy Exploration Worksheet

Explore how renewable energy sources transfer energy and help generate electricity. Read the mini-investigation and answer each question. Some renewable sources have limits, too.

Mini-investigation: A windy, sunny day

A small community is comparing two ways to generate electricity. Solar panels transfer energy from sunlight into usable power. Wind turbines transfer energy from moving air: the wind turns the blades, which drive a generator. Neither source burns fuel while generating power. Coal is burned as a fuel to generate electricity. Solar panels make less electricity at night, and wind turbines need enough wind.

Explore the energy

Use the mini-investigation to solve the questions.

1.Match each renewable source to the energy that makes it work: solar, wind, hydroelectricity, or geothermal. Options: moving air; sunlight; moving water; heat from inside Earth.
  • Solar
  • Wind
  • Hydroelectricity
  • Geothermal
  • Heat from inside Earth
  • Sunlight
  • Moving air
  • Moving water
2.Which energy transfer best describes a solar panel generating electricity?
  • Electrical energy changes into sunlight
  • Energy from sunlight is transferred into electrical energy
  • Wind energy changes into heat from Earth
  • Moving water is changed into sunlight
3.Complete the chain: moving air turns the turbine blades; the blades drive a generator; the generator produces energy.
4.True or false? A wind turbine can generate electricity when there is too little wind to turn its blades.
TrueFalse
5.A solar panel produces less electricity after sunset. Explain why, using the energy source it needs.
6.A creek flows downhill through a hydroelectric station. What energy source turns the turbine, and what does the turbine help the generator produce?
7.Choose the best description of geothermal energy.
  • Energy from heat inside Earth
  • Energy stored in coal
  • Energy from ocean waves only
  • Energy from sunlight reflected by clouds
8.A community uses coal to generate some electricity. Name one way this differs from wind power when electricity is being generated.
9.An energy planner wants electricity from both sunny and windy conditions. Suggest a reason to use solar panels and wind turbines together, and one challenge the planner should consider.

2 printable pages

  • Renewable Energy Exploration Worksheet, page 1 of 2: Mini-investigation: A windy, sunny day, Explore the energy

    Page 1

  • Renewable Energy Exploration Worksheet, page 2 of 2: 5. A solar panel produces less electricity after sunset. Explain why, using the energy…

    Page 2

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