Spectroscope

http://www.chemistryland.com/CHM107Lab/Exp7/Spectroscope/Spectroscope.html http://www.aip.org/history/cosmology/tools/tools-spectroscopy.htm http://sunearthday.nasa.gov/2006/locations/spectroscopy.php http://solar-center.stanford.edu/activities/cots.html http://www.euhou.net/index.php/exercises-mainmenu-13/classroom-experiments-and-activities-mainmenu-186/179-observations-of-various-spectra-with-a-home-made-spectroscope http://www.stargazing.net/david/spectroscopy/SimpleNeedleSpectroscope.html

Spectrum Rainbow

http://sci-toys.com/scitoys/scitoys/light/cd_spectroscope/spectroscope.html http://outsidescience.wordpress.com/2012/11/06/outside-science-project-1-aerosols-part-4/