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Geodesic Gumdrops: Candy and Toothpick Architecture
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This hands-on activity shows you how to build basic architectural shapes out of toothpicks and gumdrops.

Resistance is Useful
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Learners write or draw with white crayon on white paper. They look and feel to detect their marks on the paper. Then, learners paint over their paper with watercolor paint.

Apples with Appeal
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In this activity, learners investigate why apples turn brown. Learners discover that lemon juice interferes with the reaction that causes the browning.

Mystery Number
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Combine logic and numbers in this game for all ages. Players start with a 10x10 grid of the numbers 1 to 100. One person chooses a secret number and announces the range in which it falls.

Egg Carton Nursery
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In this activity, young learners will make their own flower seed nursery in an egg carton.

Exploring Forces: Gravity
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In this nanoscience activity, learners discover that it's easy to pour water out of a regular-sized cup, but not out of a miniature cup.
Parachute Design
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In this activity, learners design and build their own parachute using household materials with the goal of landing their passenger safely on a target.
Butterflies in Space
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The Butterflies in Space Teacher's Guide uses "life in space" to encourage learners to conduct their own open-ended scientific investigations.

Nature Drawing
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In this family or group activity, learners create a nature journal by visiting a local nature center or backyard, observing creatures in their natural habitats, and sketching what they see.

Water Ways
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In this activity (on page 2 of the PDF), learners explore surface tension by adding pennies to cups which are "full" of plain water or soapy water.

North American Endangered Amphibians Card Game
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In this activity, learners can play two card games related to endangered species, specifically North American amphibians.

Soapy Boats
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In this activity, learners will explore surface tension, what it is, and how we can change it.

For the Birds
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In this outdoor activity, learners turn the fun of feeding wild birds into an investigation of bird behavior.

The Old White Sheet Trick: Light and Insect Behavior
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In this outdoor, nighttime activity, learners gather around a brightly lit, white surface and study the behavior of nocturnal animals attracted to the light, particularly night fliers.

Push Me a Grape
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In this physics activity, learners experiment with the attractive and repulsive power of magnets.

Pollinator Bingo
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In this activity, learners will use their five senses to explore a nature-based area around them.

Balloon Kebabs
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In this demonstration, learners observe the effects of density and pressure by attempting to make "balloon kebabs." Learners will try to insert a wooden skewer all the way through an inflated balloon

Cutting it Down to Nano
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This simple activity uses paper and scissors to convey two key concepts to learners: the nanoscale is very small and working on the nanoscale requires special tools.

Rip It Up And Start Again - Composting
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In this activity, learners will experiment to find how long it takes to compost paper. They will create their own compost container and test different variables.

Horton Senses Something Small
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In this story time program, young learners listen to the Dr.