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This simple hands-on activity demonstrates why the sky appears blue on a sunny day and red during sunrise and sunset.

This is an activity (located on page 131 of the PDF) related to sleep and circadian rhythms as well as space travel.

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

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

In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.