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Slide Notes

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Science Notes

Published on Dec 14, 2015

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PRESENTATION OUTLINE

1.

RADIATION

  • IS THE TRANSFER OF ENERGY AS ELECTROMAGNETIC WAVES.
  • When you stand in the sun on a cool day you can feel the Suns rays warming your body. Your skin absorbs the radiation causing you skins molecules to move faster.
Photo by Dru!
2.

CONDUCTION

  • TRANSFER OF THERMAL ENERGY FROM ONE MATERIAL TO ANOTHER BY DIRECT CONTACT CONTACT.
  • The sun heats the sand. And then you step on it and feel warmth
Photo by amira_a
3.

CONVECTION

  • THE TRANSFER OF THERMAL ENERGY BY THE CIRCULATION OR MOVEMENT OF A LIQUID OR GAS
  • Air is heated and becomes less dense then is pushed up by the more dense cold air.

Maci Shatirishvili