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In this activity, learners set up an experiment to investigate the effects of hot air on the path of a laser beam.

In this activity on page 7 of the PDF (Plants—The Green Machines), learners examine the effects that light and air have on green plants.

In this activity, learners use a flashlight, a glass of water, and some milk to examine why the sky is blue and sunsets are red.

In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.

This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.