Crack the Code - Physics

This session will challenge participating students to conduct investigations of Spectra, to determine the line spacing of a diffraction grating. As part of this task, students will have to create their own spectrometer to understand diffraction, and the production of spectra.

Equipment requirements

  • PowerPoint presentation (Provided)
  • Worksheets (Provided)
  • Cardboard box
  • An old CD or DVD
  • Card for cutting
  • Cardboard tube
  • Tin foil
  • PVA glue and/or Sellotape
  • Scissors
  • Pen/Pencil
  • Ruler
  • Carving knife (optional)
  • Lighbulb holder
  • LED bulb
  • Incandescent bulb
  • Neon bulb
  • Fluorescent bulb
  • Lithium sample
  • Potassium sample
  • Sodium sample
  • Copper sample
  • Calcium sample
  • Tongs and metal wire
  • Bunsen burner 


Terms and Conditions

“All materials provided as part of these resources are the intellectual property of Loughborough University. By agreeing to the terms and conditions, you agree not to share or replicate the provided resources for either personal or commercial use.”