Initial

Why Is the Sky Blue?

Why Is the Sky Blue? worksheet

NameDate

Open the sky simulator at initial.app/why-is-the-sky-blue. Use it to answer these.

  1. Write how much air the sunlight crosses at midday and at sunset. How many times more is it at sunset?
  2. At sunset, what share of blue light and of red light gets through? What color does that leave?
  3. Choose No air. What color is the sky, and why?
  4. Choose All colors scatter alike. What does the sky turn? Name something real that looks like this.
  5. Explain why the sky is blue to someone younger than you, using a drawing.
  6. Watch a real sunset. What colors did you see, and in what order?
Open the simulator