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    The Exploratorium
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    Construct a simple battery that's able to power a small light or motor out of foil, salt water, and charcoal. A helpful video, produced by the Exploratorium, guides you along on this activity.

    $1 - $5 per student Ages 8 - 18 10 to 30 minutes
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    IEEE
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    This lesson focuses on surface area and how the shape of sugar crystals may differ as they are grown from sugars of different coarseness. Learners explore surface area, nanostructures, and work in...

    $1 - $5 per group Ages 8 - 14 1 to 7 days
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    Perkins School for the Blind
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    This activity was designed for blind learners, but all types of learners can participate to learn about conservation of gas. This is one of the classic experiments using baking soda and vinegar....

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    WGBH
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    Students design and create their own air-powered rockets, in this hands-on activity. Learners will develop a better understanding of physics related concepts, specifically those related to momentum...

    $1 - $5 per student Ages 6 - 11 30 to 45 minutes
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    American Chemical Society
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    Learners mix vinegar and baking soda to produce a gas. With the addition of a bit of liquid soap, the gas becomes trapped in measurable bubbles. This way, learners can alter the amount of...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    Lawrence Hall of Science
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    Learners discover that soap can be used to power a boat. Learners make a simple, flat boat model, put it in water, and then add a drop of detergent at the back of the boat. The soap changes the...

    $1 - $5 per student Ages 4 - 14 10 to 30 minutes
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    Mount Holyoke College
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    In this activity, learners build models of atoms and molecules, then consider their role in different phases of matter, density, and mixtures and solutions. The atomic models are made first from...

    $1 - $5 per student Ages 8 - 14 30 to 45 minutes
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    American Chemical Society
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    Learners add calcium chloride to a baking soda solution and observe an increase in temperature along with the production of a gas and a white precipitate. These are all signs of a chemical reaction...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    The Exploratorium
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    Focus sound through a balloon! In this Exploratorium activity, you'll use dry ice to create a balloon that's a sound lens.

    $1 - $5 per student Ages 6 - adult 5 to 10 minutes
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    Lunar and Planetary Institute
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    In this activity, learners work in pairs to measure each other's ankles with lengths of string. Learners make measurements both before and after lying on their backs with their feet in the air...

    $1 - $5 per group Ages 8 - 14 5 to 10 minutes

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