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Seed Dispersal
Source Institutions
In this outdoor activity and bingo-like game, learners explore why and how seeds spread far from the plants that produce them.
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Bready Bubble Balloon
Source Institutions
Learners discover the bubble power of living cells in this multi-hour experiment with baker's yeast. Learners make a living yeast/water solution in a bottle, and add table sugar to feed the yeast.
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Sandy Samples
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In this collecting/comparing activity, learners work with samples of sand from different places like a lakefront, river, or ocean beach.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-755.jpg?itok=wHRWVUzh)
Solar Flare Flip Book
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In this activity, learners make their own flip book that shows real solar flares erupting from the Sun in November 2000. Step-by-step instructions are included with photos.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-049.png?itok=asLyEx3A)
Bee Builders
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In this activity, learners make a model of a beehive using simple materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-298.jpg?itok=ximnp7He)
Exploration Tank
Source Institutions
This is a guide for facilitating interaction at a touch tank with marine animals. The instructions are for setting up a display in an informal science center, but could work anywhere.
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Sensory Hi-Lo Hunt
Source Institutions
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.
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Air-filled (Pneumatic) Bone Experiments
Source Institutions
Just like birds, some dinosaurs had air-filled (pneumatic) bones, which made the dinosaurs' skeletons lighter.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-751.jpg?itok=CIuktqCO)
Ancient Sun Observations
Source Institutions
In this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun.