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    The Exploratorium
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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. This activity also has helpful...

    $1 - $5 per student Ages 8 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity, you'll make an electric motor--a simple version of the electric motors found in toys, tools, and appliances everywhere. The activity includes three short online videos:...

    $1 - $5 per student Ages 8 - 14 30 to 45 minutes
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    In this activity about electricity, learners produce a spark that they can feel, see, and hear. Learners rub a Styrofoam plate with wool to give it an electric charge. Then, they use the charged...

    $1 - $5 per student Ages 8 - 14 30 to 45 minutes
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    In this activity about afterimages, learners explore what happens when receptor cells called cones in your eye's retina get tired. Learners will stare at a simple red shape, such as a bird,...

    $1 - $5 per student Ages 6 - 14 10 to 30 minutes
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    In this web-based activity, learners try to figure out who in an online chat room has their matching puzzle piece. This is a matchmaking activity that can be used as an icebreaker to introduce...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    The Exploratorium
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    In this activity about depth perception, learners create an optical illusion in a shoe box. By looking through the viewing hole, learners explore how they can trick their brain into thinking that...

    $1 - $5 per student Ages 6 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity about electricity and magnetism, learners examine what happens when a magnet exerts a force on a current-carrying wire. Using a simple device, learners discover that when an...

    $1 - $5 per student Ages 8 - 14 5 to 10 minutes
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    The Exploratorium
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    In this activity, learners use plastic water bottles, wood, and water to build an inexpensive and portable tool to demonstrate one atmosphere of pressure at sea level. Once the tool is assembled...

    $1 - $5 per student Ages 11 - 18 45 to 60 minutes
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    In this activity, learners explore what happens when polarized white light passes through a sugar solution. Learners use a relatively simple setup to investigate light polarization and reveal...

    $1 - $5 per student Ages 8 - 18 30 to 45 minutes
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    The Exploratorium
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    If you have access to a copper metal tube, this activity does a great job demonstrating what happens to matter when it's heated or cooled. This activity requires some lab equipment.

    $1 - $5 per student Ages 8 - adult 10 to 30 minutes

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