A brief description of the concepts is provided in each box. Many questions utilize charts, diagrams, photographs and data included in the module. In most questions students are expected to reach conclusions based on the figures and data.

Graphic from Module. Click for Larger View. Observational (ATPI)
Investigation #25: Using the Diffraction Grating to Identify an Unknown Element
  • Analysis of a line spectrum presented as a diagram
  • Activity based exercise observing and measuring line spectra with a grating
  • Analysis of a line spectrum containing more than one element
  • Fraunhofer lines on the solar spectrum
Other Observational Modules:
#6| #7| #8| #9| #11| #12| #13| #14| #15| #20| #22| #23| #24

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