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L I G H T. Light carries energy A light source (sun, light bulb) gives off light waves. www.howstuffworks.com/ light-bulb.htm. Light waves …. Are like the ripples in water when you drop a rock in it Go out in all directions Are called electromagnetic waves. Light Wave Lengths are….

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l i g h t
L I G H T
  • Light carries energy
  • A light source (sun, light bulb) gives off light waves

www.howstuffworks.com/ light-bulb.htm

light waves
Light waves …
  • Are like the ripples in water when you drop a rock in it
  • Go out in all directions
  • Are called electromagnetic waves
light wave lengths are
Light Wave Lengths are…
  • The distance between the tops of two adjacent ripples
frequency is
Frequency is…
  • The number of wave lengths that pass a point in one second. These are some examples of different wavelengths.
electromagnetic spectrum
Electromagnetic Spectrum
  • Electromagnetic waves are classified according to their wave lengths and frequencies
  • There are many light waves that we cannot see
  • We can only see a very small part of the electromagnetic waves
electromagnetic waves
Electromagnetic Waves
  • As the wave length decreases the frequency increases this decides what we can see.
questions
Questions
  • What is a light wave?
  • What is a light wave length?
  • What is meant by the frequency of a wavelength?
  • How are electromagnetic waves classified?
  • How much can we see of the electromagnetic spectrum of light?
works cited
Works Cited
  • Imagine the Universe
  • http://imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.html
  • electromagnetic wave lengths
  • NASA: Imaginers
  • http://imagers.gsfc.nasa.gov/ems/waves2.html
  • Animated wave lengths
  • Visible light graphics
  • Site Format
  • http://www.siteformat.com/tutorials/photoshop/misc/waterripples.html
  • blue ripple image
  • Google
  • http://images.google.com/images?q=light+bulb&svnum=10&hl=en&lr=&ie=UTF-8&oe=UTF-8&start=100&sa=N
  • Light bulb picture
  • Google
  • Sun picture
  • www.howstuffworks.com/ light-bulb.htm
  • light bulb graphic
  • Science Voyages: Earth & Physical Sciences
  • Glencoe /McGraw-Hill, 2001 Columbus, Ohio
  • pg. 786-789