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    The Exploratorium
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    In this activity, learners use a laser pointer and two small rotating mirrors to create a variety of fascinating patterns, which can be easily and dramatically projected on a wall or screen. In...

    Ages 11 - 18
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    COSI
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    In this activity about potential and kinetic energy, learners get to roll a can across the floor and then watch it roll back to them as if by magic. This activity is always great for looks of...

    Ages 11 - 14
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    Biotechnology and Biological Sciences Research Council
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    In this activity (p.8-9 of PDF), learners investigate the evolution of wheat by conducting sedimentation tests on different flours. The evolution of wheat from wild grasses demonstrates the...

    Ages 8 - adult
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    Colorado State University
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    In this demonstration, learners can observe a number of small convection cells generated from a mixture of aluminum powder and silicon oil on a hot plate. This demonstration helps learners...

    Ages 8 - 14
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    NISE Network
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    This hands-on activity demonstrates how a material can act differently when it's nanometer-sized. Learners compare the reaction rate of an effervescent antacid tablet that is broken in half...

    Ages 6 - adult
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    New York Hall of Science
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    In this activity, learners investigate how changing the center of gravity of a balloon affects how it travels. Learners fill a balloon with a little bit of water and insert into an empty balloon....

    Ages 8 - 14
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    NASA
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    This demonstration (on pages 9-11) uses gelatin and lead pellets to model how aerogel, a technology used by NASA spacecrafts, is used to capture comet particles. Instructions are provided on how to...

    Ages 8 - 14
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    Institute of Physics
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    In this physics demonstration, learners will be surprised when a lemon slice appears to magically levitate within a pint glass. This is a simple trick that involves several complex physical...

    Ages 8 - adult
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    Lunar and Planetary Institute
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    In this activity, dry ice and other items are used to construct a demonstration model of a comet that illustrates the comet nucleus, coma, and tails. This activity introduces learners to the...

    Ages 8 - 14
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    Science Museum of Minnesota
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    This is a demonstration you can use to show learners how valves and pumps work in concert to move blood through the circulatory system.

    Ages 6 - 14

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