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See the Light
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Learners mix a solution of luminol with hydrogen peroxide to produce a reaction that gives off blue light.
First Impressions
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Learners experiment with a commercial photo-sensitive paper (Sunprint® or NaturePrint® paper). They place opaque and clear objects on the paper and expose it to bright light, observing the results.
Morphing Butterfly
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In this activity, learners explore how nanosized structures can create brilliant color.
Why is the Sky Blue?
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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.
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.
Exploring Structures: Butterfly
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In this activity, learners investigate how some butterfly wings get their color.
DIY Sunprints
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In this activity, learners will see how UV light affects colors over time by making their own sunprint on construction paper.
Night Eyes
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In this outdoor, night-time activity, learners discover how to spot eye-shine (reflection of light from an animal's eyes) by using a flashlight to play a simulation game.
Plant Patterns
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In this outdoor mapping activity, learners explore where plants grow and map plant-distribution patterns.
Build the Big Dipper
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Learners use simple materials to construct a model the Big Dipper. Learners hang the model from a doorway or ceiling and look up at it to see the constellation as seen from Earth.
The Senses of "Unknown Creatures"
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In this activity, learners use earthworms as "unknown creatures" from the South American jungle to find out how animals use senses.
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.
Build Your Own Hydroelectric Generator
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Learners follow directions to construct a water-powered electrical generator using a turbine made from plastic spoons.
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.
Constellation Detective
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In this quick activity, learners practice locating a constellation in a map of very dark skies.
Growing Food From Scraps
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In this activity, learners will explore vegetative propagation while preparing food scraps to grow into plants.
How to View a Solar Eclipse
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This is an activity to do when there is a solar eclipse!
Cook Food Using the Sun
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Learners build a solar oven from a cardboard pizza box, aluminum foil and plastic. Learners can use their oven to cook S'mores or other food in the sun.
Plants Around a Building
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In this outdoor activity, learners discover how the environment around a building affects the growth of plants.
Aviary Architect
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In this activity, learners are challenged to design, build and test a birdhouse that will stay cool in the sun.