Instructions (Make Your Own Spectrometer):
http://coolcosmos.ipac.caltech.edu/cosmic_games/spectra/makeGrating.htm
Spectrometer Diagram:
Our experiment:
We made a spectrometer and tested it out with various light sources. We used both a CD and DVD disc for 4 light sources.
Spectrometer:
Images: Spectrometer with CD and DVD with no light source
Light Sources
Light source 1: Torch Light (White light)
We shone the torch light through the 1 mm slit of the spectrometer.
Image: Line spectrum on CD of light source 1
Image: Line spectrum on DVD of light source 1
Light Source 2: A flame
Next, we shone a flame through the slit of the spectrometer.
Image: Line spectrum on CD of light source 2
Image: Line spectrum on DVD of light source 2
Light source 3: Ceiling Light (Fluorescent Light Tube)
We shone light from the fluorescent light tube through the slit of the spectrometer.
Image: Line spectrum on CD of light source 3
Image: Line spectrum on DVD of light source 3 Lastly, we shone the light of a fluorescent lamp through the slit of the spectrometer.
Image: Line spectrum on CD of light source 4
Image: Line spectrum on CD of light source 4