Material Detail

Why is the Sky Purple?

Why is the Sky Purple?

This simple hands-on activity demonstrates why the sky appears blue on a sunny day and red during sunrise and sunset. Learners observe as a special "sunset egg" and a white light reveal how scattered light emits a blue color and transmitted light emits reddish light. Learners can experiment with different areas of the egg and different light sources to detect interesting variations in color....

Show More


  • User Rating
  • Comments
  • Learning Exercises
  • Bookmark Collections
  • Course ePortfolios
  • Accessibility Info

More about this material


Log in to participate in the discussions or sign up if you are not already a MERLOT member.