Discuss nanotechnology with your science scholars. In particular, its application to sunblock products. Give them samples of nano and non-nano sunblocks to compare. This interesting topic can be taught in a technology unit.

Students locate the ozone layer of the atmosphere. They explain natural formation of ozone. They list chemicals that react with ozone. They explain how CFC's destroy ozone.

Students assess how much harm UV radiation can have on your skin and how much protection is provided by sunblock, sunglasses and clothing. They experiment with UV index numbers and the amount of exposure risk of skin damage for any given...

Learners explore dangers of UV radiation and create warning scales for tracking UV levels in their community.