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1. Gather the materials make UV bead cards for testing.
2. Note the original color of the UV beads on the cards.
3. Cover the beads with the materials you have to block the UV rays.
4. Place UV beads in direct sunlight.
5. List results on data sheet after 30 seconds and 60 seconds.
6. Remove the beads from sun source and let them change back to the original color.
7. repeat for all three light soucres

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- Light source: Sunlight
Fluorescent light
Black light
- UV Beads
- Sunscreens: SPF 5
SPF 50
-Hat
-Light colored clothing, and dark colored clothing
-Cardboard- I used a cut up cereal box
-Yarn or string- to string the UV beads and tie them to cards
-Scissors- to cut the yarn or string
-Permanent marker
-Watch- to time how long the beads took to change colors

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I believe the dark colored clothing will block the most UV rays and the hat will block the second most UV rays.

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What's your best protection?
UV Defense