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  Earth Science
  Life Science
  Physical Science

Hands-on Activity

Why is the Sky Blue?

Fun Forces
In this activity, students will use a glass jar, water, milk, and a flashlight to explain why the sky is blue. Students will scatter the light of a flashlight to discover why the sky is blue.
Topic: Light and Reflection
Real World Science Topics:
  • An evaluation of how the sun's light reflects in the atmosphere.
  • A comparison of blue light and red light in the atmosphere.
  • An evaluation of the relationship between colorful sunsets and pollutants in the atmosphere.
After completing this activity, students should be able to identify why the sky is blue during the day and red during sunsets. Students will also be able to identify how light is scattered by the atmosphere. Lastly, students will connect the occurrence of pollutants to the color of the sky.

Activity Difficulty Rating: 1 Each hands-on science activity has been ranked based on difficulty of set up and how difficult they are to perform. The rating scale is from 1 to 5, with 1 being the easiest and 5 being the most complicated.



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