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    COSI
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    In this online activity about heart disease, learners will pick one of three patients (based on actual patient histories) and help a cardiologist diagnose and prescribe treatments for him or her....

    free Ages 14 - 18 Under 5 minutes
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    The Exploratorium
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    With a magnet, iron fillings, and a bottle, you can create a cool demonstration about magnetic lines of force: the fillings will arrange themselves within the magnet's magnetic field.

    $1 - $5 per student Ages 6 - 18 Under 5 minutes
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    The Science House
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    In this chemistry activity, learners are asked to form a hypothesis about the behavior of milk as household detergents act upon it. Learners will observe a swirling effect occurring between the...

    $1 - $5 per group Ages 8 - 18 Under 5 minutes
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    Miami Science Museum
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    In this quick activity, Dracula has a hole in his house and learners help solve the problem by using a mirror and protractor to reflect incoming light out of his house. This activity introduces...

    free Ages 8 - 18 Under 5 minutes
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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...

    $1 - $5 per group Ages 6 - adult Under 5 minutes
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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...

    1 cent - $1 per group Ages 8 - adult Under 5 minutes
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    Institute of Physics
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    In this demonstration, learners observe the effects of air pressure. They will watch as marshmallows inside a bottle expand as a vacuum pump removes air from the bottle. The marshmallows will...

    $1 - $5 per group Ages 4 - adult Under 5 minutes
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    Institute of Physics
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    In this physics demonstration, learners will be surprised when a handkerchief holds water in an upside-down glass. They will be especially shocked when you hold the glass over their head and...

    free Ages 4 - adult Under 5 minutes
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    University of Washington
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    This is a quick and simple demonstration about reflexes (second activity on the page). During a discussion about the brain and nervous system, the educator slams a book on a table to create a loud...

    free Ages 4 - 18 Under 5 minutes
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    University of Washington
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    In this activity (13th on the page), learners complete a simple illusion trick to see through their own hand. Learners roll up a piece of notebook paper into a tube, arrange their hands in a...

    1 cent - $1 per group Ages 8 - 18 Under 5 minutes

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