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Cleaning with Dirt
Source Institutions
Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.
Build a Battery
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Learners make a simple battery out of "sandwiches" of aluminum foil, pennies, and a salt water-soaked paper towel.
In the Toilet
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This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.
Salting Out
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In this activity, learners create a mixture of water, alcohol and permanent marker ink, and then add salt to form a colored alcohol layer on top of a colorless water layer.
Cool It!
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Learners make a refrigerator that works without electricity. The pot-in-pot refrigerator works by evaporation: a layer of sand is placed between two terra cotta pots and thoroughly soaked with water.
Pollution Diffusion
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Learners design their own experiment to investigate how pollution diffuses through ground material.
Designing Bandages
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Learners design different shaped bandages for different purposes. First, they draw their designs on paper.
Three Little Pigs
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In this activity, leaners explore building techniques by recreating the story of The Three Little Pigs.
Building a Community From the Ground Up
Source Institutions
In this activity, a group of learners work collaboratively to design and construct a paper model showing the evolution of an environment through multiple stages, from prehistory through the modern cit
Shaking It!
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In this experiment, learners design and build a model room in a shoebox and furnish it with tiny furniture.