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Ancient Sun Observations
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In this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun.
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Seed Adaptations
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By participating in a seed scavenger hunt, learners examine many adaptations of seeds, including how many seeds a plant makes, how those seeds travel to new locations, and what protects them from pred
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Single Replacement Micro-Reactions
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In this chemistry activity, learners use common chemicals and metals to explore single replacement reactions.
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Exploration Vehicles
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Using recycled materials, learners will design a transportation vehicle to carry an egg in an egg toss (a rudimentary model of a shock absorbent transport vessel).
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Exploring A Hydrogel
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In this activity on page 10 of the PDF, learners develop an experiment to answer the following question: "How much water can the hydrogel in a baby diaper hold?" Use this activity to explore polymers,
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Build a Bridge
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In this activity, learners use design thinking to design and build their own bridge out of household materials including adhesives and/or connectors.
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Exploring Tools: Mitten Challenge
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In this activity, learners build a LEGO® structure while wearing mittens. This activity shows learners how difficult it is to build small things when your tools are too big.
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Torsion Drum
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In this activity, learners build a musical drum using a cardboard tube, plastic wrap, and beads.
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Cable Car
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In this activity, learners string a line across the room and build cable cars that can move from on end to the other.
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Bouncing Yo-Yo
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In this activity, learners build unique yo-yos, which spin round and round without moving up and down.
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Yeast-Air Balloons
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In this activity, learners make a yeast-air balloon to get a better idea of what yeast can do. Learners discover that the purpose of leaveners like yeast is to produce the gas that makes bread rise.
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Small Habitats
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In this activity, learners build a model of a self-sustaining habitat (growing grass and beans from seeds).
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Production of Hydrogen
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In this chemistry activity, learners use mossy zinc (or a galvanized nail) and hydrochloric acid to generate hydrogen gas and test some of its properties.
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Witches' Potion Demonstration
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In this chemistry demonstration, learners will discover that phenolphthalein is an acid/base indicator. One learner will read a poem about four witches making a potion.
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Flubber
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Learners experiment with a piece of Silly Putty® by stretching, bouncing, and snapping it. They then create flubber, a similar substance, by mixing diluted glue and a solution of sodium borate.
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Creating a Local Field Guide
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In this activity, learners survey living organisms near where they live or go to school, and create a local field guide.
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Soak It Up: Understanding Amphibian Permeability
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In this activity, learners will discover how the thin layers of amphibians' skin allow water and other chemicals to pass through it.
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Egg Carton Nursery
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In this activity, young learners will make their own flower seed nursery in an egg carton.
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Protein Factory
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In this activity, learners take on the role of various parts of the cell in order to model the process of protein synthesis.
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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