• Teacher’s Guide | PDF
    • Standards, suggestions for implementation, and suggested applets to illustrate difficult points
  • Student Guide and Worksheets| PDF
    • The student guide and worksheets were written by Lyn Del Monte Onato, a teacher at Hidalgo High School in Hidalgo, Texas.
  • Supplemental Materials
    • Materials List | PDF
    • Scans of the diffraction cards used in the activity | PDF

The National Aeronautics and Space Administration provided support for the development of this activity under an Education and Public Outreach supplement to Grant/Contract/Agreement NNG06GC45G issued through the Office of Space Science to Dr. Daniel Jaffe.