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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.
Above Water: Buoyancy & Displacement
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In an investigation called "Shape It!" learners craft tiny boats out of clay, set them afloat on water and then add weight loads to them, in order to explore: how objects stay afloat in water; what th
Rescue Mission
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In this hands-on activity, learners use the steps of the design process to create a hook to rescue a "space capsule" from the water.
Indicating Electrolysis
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Electrolysis is the breakdown of water into hydrogen and oxygen. This Exploratorium activity allows learners to visualize the process with an acid-based indicator.
Pop Can "Hero Engine"
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In this activity, learners build water-propelled engines from soft drink cans.