Notes: 2E - Using Light to Measure Far Away Objects

Watch on YouTube OR watch/download on Google Drive


  • Visible Light (ROYGBiV) - Prisms reveal the rainbow of colors in visible light
  • Herschel Experiment - Showed that there is light beyond what we see
  • Electromagnetic Spectrum - Parts of light have different Frequencies, Wavelengths and energies
  • Emission Lines - Using light to measure what objects are made of

Summary Questions / Tasks

  1. Diagram, Label and Explain how we use Light to measure the composition of objects that produce light. (Prism (why is it there), Emission Source, How light is measured)

Post-Reflection Monologue (For absent or remote learning students)

There is not a recording for this. Students will need to watch 'They Might Be Giants - Roy G Biv (official TMBG video)' on YouTube and post an original thought about the video that shows they understand how light separates.

Educator / Teacher Resources

Students: There are NO answer keys in these files.