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Slide Notes

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Published on Nov 20, 2015

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PRESENTATION OUTLINE

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Nonrenewable

Coal
Photo by cote

Untitled Slide

  • coal is a limited supply
  • coal can be used 15 years from now to heat houses
Photo by epSos.de

Renewable

Sun
Photo by VinothChandar

Untitled Slide

  • the sun will never run out of energy
  • so in 15 years the sun will be there until it explodes
Photo by ecstaticist

Sun/coal

  • the sun is a never ending power supply
  • once you use coal it is gone forever
  • coal is bad, sun is good