Sunscreen Beads

BeadsLet's learn about how sunscreen works. Which SPF (Sun Protection Factor) sunscreens work best? Let's do a test.

What You Need

You'll need to buy the materials online:

What You Do

  1. Apply sunscreen to the beads.
  2. Expose them to sun for 5 minutes and look for changes in color.
  3. To test different SPF values, put sunscreen on beads and place them in a labeled (with SPF) zip-lock bag for testing.
  4. Which sunscreens work best?
  5. For more experiments with UV beads, go to Steve Spangler's website.


Use the following resources to learn more:

More Ideas




Watch the Steve Spangler video on YouTube.