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Hot Air Balloon
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In this activity, learners build a hot air balloon using just a few sheets of tissue paper and a hair dryer.
Pressing Pressure
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In this activity, learners compare water pressure at different depths. Learners discover that water pressure increases with depth.
Paddle Boat
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In this activity, learners build an old-fashioned paddle boat out of simple materials.
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
Milli's Super Sorting Challenge
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In this activity, learners separate materials based on their special properties to mimic the way recyclables are sorted at recycling centers.
Sink or Swim?
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In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7.
Oil Spill Cleanup
This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.
Challenge: Microgravity
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In this activity about the circulatory system and space travel (on page 38 of the PDF), learners use water balloons to simulate the effects of gravity and microgravity on fluid distribution in the bod
Boats Afloat
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In this activity, learners discover what buoyancy is and determine the characteristics that make an object buoyant. Learners design, build, test, and evaluate boats made from a variety of materials.
Sky Floater Challenge
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In this design challenge activity, learners make a balloon hover at eye level for five seconds, and then make it move by creating air currents.