Flashlights on Earth

This three-part, hands-on investigation explores how sunlight's angle of incidence at Earth's surface impacts the amount of solar radiation received in a given area. The activity is supported by PowerPoint slides and background information.

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Environmental Literacy Framework
The activity takes two class periods: one to set up and one to conduct the experiments. The activity requires access to a globe, flashlights, and batteries.

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Teaching Tips

Teaching Tips

Students should be divided into groups to build the lab materials ahead of time and then explore the inquiry.

PowerPoint slides could be shown after the experiment to clarify misunderstandings and solidify conceptual understanding of higher level content.

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