1 / 8

The Electromagnetic Spectrum

The Electromagnetic Spectrum. Radio Waves. *Longest Wavelength *Lowest Frequency *Lowest Energy Examples-TV signals, AM & FM radio signals Radio waves travel easily through the atmosphere and many materials. Microwaves . *Shorter Wavelength than Radio Waves

howie
Download Presentation

The Electromagnetic Spectrum

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. The Electromagnetic Spectrum

  2. Radio Waves *Longest Wavelength *Lowest Frequency *Lowest Energy Examples-TV signals, AM & FM radio signals Radio waves travel easily through the atmosphere and many materials.

  3. Microwaves *Shorter Wavelength than Radio Waves *Higher Frequency than Radio Waves *Higher Energy than Radio Waves Examples-Cell Phones and Radar Microwave ovens produce microwaves that cause water molecules in food to vibrate faster, which makes food warmer.

  4. Infrared Waves *Shorter Wavelengths than Microwaves *Higher Frequency than Microwaves *Higher Energy than Microwaves Examples- Sun, Fire and Radiator All objects emit infrared waves-usually given off by hot objects (stars, lamps, people and animals). Infrared radiation is the type of EM wave most often associated with heat.

  5. Visible Light *Shorter Wavelength than Infrared Light *Higher Frequency than Infrared Light *Higher Energy than Infrared Light Examples that reflect visible light: Sun, Light Bulbs Visible Light is the only part of the EM spectrum that the human eye can see. Red light= longest wavelength; lowest frequency Blue light= shortest wavelength; higher frequency White light= all colors mixed together

  6. Ultraviolet Light *Shorter Wavelength than Visible Light *Higher Frequency than Visible Light *Higher energy than Visible Light Examples-Sun and special lamps (tanning bed) The wave can damage your skin and eyes; sun block can help filter out these frequencies. Uses: Sterilize medical equipment, help the produce vitamin D, harden dental fillings, and tanning.

  7. X-Rays *Shorter Wavelength than Ultraviolet Light *Higher Frequency than Ultraviolet Light *Higher Energy than Ultraviolet Light Examples- X-ray machines to view bones and airport security X-rays have enough energy to go through skin and muscle but are absorbed by the bone. Can be dangerous for a living organism.

  8. Gamma Rays *Shortest Wavelength *Highest Frequency *Highest Energy Examples- Sun, other stars and radioactive substances Used to kill cancer cells and fight tumors. Can be dangerous for a living organism.

More Related