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In this three-part activity, learners conduct simple experiments to see how light refracts and reflects, and how colors of light affect what we see.

This quiz lets you estimate your annual radiation exposure.

Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy.

This activity generates learner excitement about light through the creation of a room-sized rainbow.

In this activity, learners use rice grains to model the composition of the atmosphere of the Earth today and in 1880. Learners assemble the model while measuring percentages.

In this activity, learners explore liquid crystals, light and temperature. Using a postcard made of temperature-sensitive liquid crystal material, learners monitor temperature changes.

In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.

Use this hands-on activity to demonstrate infrared and thermal radiation.