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Breathing Yeasties
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Does yeast breathe? Find out by watching how plastic bags filled with yeast, warm water and different amounts of sugar change over time.

Invent a Plant
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In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.

Floating Head Cup
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In this activity, learners watch a figure "magically" float up through the air.
Math and Creativity Posters
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These math posters have questions written on them, such as: How many colors can you name in a minute? or How many seconds can you balance on one foot?

Sticky Structures
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In this engineering/design/arts and crafts activity, learners design and build "platforms" or "bridges" that can hold weight, and test which glue makes the strongest structure.

Changing Colors
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In this challenge, learners have to figure out in what order to combine five solutions to change the color from clear, to yellow, to blue, and back to clear.

Air Cannon
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In this activity, learners create air cannons out of everyday materials. Learners use their air cannons to investigate air as a force and air pressure.

Tube Zither
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In this activity, learners explore sound by constructing tube zithers, stringed instruments from Southeast Asia and the South Pacific.

Backard Bioblitz Bonanza
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In this activity, learners will observe and record living things with in outlined outside space.

Fun with Flatware: Little Experiments to Try at the Dinner Table
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This is a series of three quick science activities to do with a spoon, knife, and fork. In the first two activities, learners use the flatware to explore optics, mirrors, reflection, and distortion.

PVC Water Squirter
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In this activity, learners build a water squirter using a PVC pipe, dowel, and foam. This activity is great for the summer time and introduces learners to forces and water pressure.

Cutify: What Makes for Cute?
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In this online activity exploring our perception of "cuteness," learners adjust various factors (like pupil size or length of limbs) on a face, a cat, and a hammer.

Crocodiles
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Learners observe and compare the sizes of three toy “growing” crocodiles made from water-absorbent polymers. One is it its original state, dry, hard, and about 10cm long.

Watercolor
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In this activity, learners will use chemistry to create a night sky watercolor painting. They will experiment to learn the effects of mixing crayon, salt, and lemon juice with water color paints.

Three Little Pigs
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In this activity, leaners explore building techniques by recreating the story of The Three Little Pigs.
Fish Family Identification
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In this game, students will become familiar with fish shapes, learn that fish within a given taxonomic family have similar body shapes, and discuss how different body shapes enable fish to survive in

Marshmallow Constellations
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In this activity, learn about the cultural stories behind constellations. Then recreate your favorite constellations using marshmallows and toothpicks.

Build A Battery
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The Let's Do Chemistry "Build a Battery" activity lets participants learn how batteries work and how materials behave, change, and interact by building their own simple battery out of metal and felt w

Exploring Earth: Rising Sea
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“Exploring Earth: Rising Sea” is a hands-on activity demonstrating ways to use topographical mapping techniques to track changes in sea level. The activity is connected to current NASA research.