On cloudy days, is it still important to wear sunscreen? Do all sunglasses provide equal protection? These solar beads change from white to colorful when exposed to a UV light source; the more UV light, the brighter they become. Use them to help answer the above questions and more! Learn about UV rays and where they come from. These beads are useful for science and health as well as arts and crafts (make cool bracelets, or necklaces, glue them to make mosaics… the possibilities are endless).
• Comes with a Teacher’s Guide and reproducible Student Handout
• Sold in a box of 1000