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It's all Done with Mirrors
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This fun and simple hands-on astronomy activity illustrates the path of light as it reflects off of mirrors and how this is used in telescopes.

Oil Spot Photometer
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In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.

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

Globe at Night
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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.
Fish Eyes: More than Meets the Eye
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In this data collection and analysis activity, learners evaluate fish physiology and ecology using vision research data from Dr.

Hot Air
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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.

Terrestrial Hi-Lo Hunt
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In this outdoor activity, learners search for the warmest and coolest, windiest and calmest, wettest and driest, and brightest and darkest spots in an area.

Sensory Hi-Lo Hunt
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In this outdoor activity, learners use only their senses to to find the extremes of several environmental variables or physical factors: wind, temperature, light, slope and moisture.

Wintergreen
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In this outdoor, winter activity, learners find living green plants under the snow and determine the light and temperature conditions around the plants.

Where Do We Choose to Live and Why?
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In this geography investigation, learners use a nighttime satellite image to observe areas of light across the United States and to identify patterns and spatial distributions of human settlements.

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

Turbidity
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This is an activity about turbidity, or the amount of sediment suspended in water.

Earth's Energy Cycle: Albedo
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In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.

How Greenhouse Gases Absorb Heat
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Learners observe two model atmospheres -- one with normal atmospheric composition and another with an elevated concentration of carbon dioxide.