This is a hands-on activity exploring how nanoscale particles are used in mineral sunblocks to increase their transparency. Learners compare nano and non-nano sunblocks to a visual representation of the effect of particle size on visibility.
5 to 10 minutes
10 to 30 minutes
Estimated Materials Cost:
$10 - $20 per group of students
Ages 6 - adult
Activity, Experiment/Lab Activity, Lesson/Lesson Plan