Notes: 2D - How Light Moves in Space

Watch on YouTube OR watch/download on Google Drive


  • Photon - The particle of light
  • Speed of Light - Maximum ‘speed limit’ of the Universe
  • Light Year - Maximum distance light can travel in a year
  • Space & Time (relativity) - Einstein's equations explain why nothing can travel faster than light

Summary Question(s) / Task(s)

  1. Explain why we must use Light to measure the Universe
  2. Why can nothing travel faster than the Speed of Light?

Post-Reflection Monologue (only used during the emergency situation of Spring 2020)

Watch on: YouTube (with closed captioning) - Google Drive (for students with no YouTube access)

Educator / Teacher Resources

Students: There are NO answer keys in these files.

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