sábado, 14 de agosto de 2010

Science Project#1 (Invisible Ligth)

Ultraviolet light:  Ultraviolet light(UV)light is made up of waves just shorter than visible violet light on the spectrum.UV light causes chemical changes.It can produce vitamin D in your boby.

Radio Wave: Radio Waves are the longest waves of the electromagnetic spectrum.Broadcast stations use them carry signals in a kind of code AM FM.

Microwave: Microwaves are shortwave radio waves.Water in foods absorbs microwaves very readily.The energy from the absorbed microwaves speeds up the water molecules inside the food.


X Rays and Gamma Rays: The shortest wavelenghts of the spectrum-X rays and Gamma rays-have great penetrating power.

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