Electromagnetic spectrum

The places that i found my information from are:

• http://imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.html
• http://en.wikipedia.org/wiki/Electromagnetic_spectrum
• http://science.hq.nasa.gov/kids/imagers/ems/visible.html
• http://wiki.answers.com/Q/What_is_visible_light_used_for
• http://cmb.physics.wisc.edu/tutorial/spectrum.html
• http://science.hq.nasa.gov/kids/imagers/ems/uv.html
• Science alive 6 text book: Daniela Nardelli