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Radiation

Published on Nov 18, 2015

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PRESENTATION OUTLINE

1.

RADIATION

SARAH AND JORGE
Photo by jurvetson
2.

DEFINITION

  • Process by which energy, in the form of electromagnetic radiation is emitted by a heated surface in all directions.
Photo by Stuck in Customs
3.

HOW IS IT USED

  • Destroy food borne bacteria and parasites and to extend shelf life of food.
Photo by xavi talleda
4.

EXAMPLES

  • Sun heating Earth.
  • Placing your hand over or near a fire.
  • Heating a can with a Bunsen burner. Flame produces radiation which heats up the tin.
Photo by Curtis Gregory Perry

Jorge Perez