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In this activity, learners find out why some mineral sunblock rubs in clear. Learners compare nano and non-nano sunblocks and discover how particle size affects visibility.
- Under 5 minutes
- 5 to 10 minutes
- $5 - $10 per group of students
- Ages 4 - adult
- Activity
- English
Quick Guide
Materials List (per group of students)
- Black construction paper
- Cotton swabs
- Zinc oxide diaper cream
- Nano zinc sunblock (look for a formula with zinc oxide that says it goes on clear)
Subjects
-
Engineering and Technology
-
Engineering
- Nanotechnology
-
Engineering
-
Life Sciences
-
Human Body
- Muscles and Skin
- Health and Nutrition
-
Human Senses and Perception
- Vision
- Perception
-
Human Body
-
Mathematics
-
Measurement
- Size and Scale
-
Measurement
-
Physical Sciences
- Vibration and Waves
-
Light and Optics
- Electromagnetic Spectrum
- Reflection and Refraction
- Sunlight and Color
-
States of Matter
- Solids
-
The Nature of Science
-
The Scientific Process
- Conducting Investigations
-
The Scientific Process
Audience
To use this activity, learners need to:
- see
- touch
Learning styles supported:
- Uses STEM to solve real-world problems
- Involves hands-on or lab activities
Other
This resource is part of:
Access Rights:
- Free access
By:
Rights:
- All rights reserved, Sciencenter, 2012
Funding Sources:
- National Science Foundation, 0532536
- National Science Foundation, 0940143