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Lesson Plan
Curated OER

Comparing Sunscreens

For Teachers 12th
Twelfth graders use a microcomputer connected to an ultra-violet sensor to compare the relative blocking power of different SPF sunscreens for the UVB region of the solar spectrum.
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Lesson Plan
Curated OER

Reflection and Absorption of Light

For Teachers Higher Ed
Students use a microcomputer connected to a light sensor and temperature probe to explore the reflection and absorption of radiation for different surfaces. Students follow instructions in this guided inquiry based lab and are then asked...