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    The Exploratorium
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    In this activity, learners light an LED with five cents. Learners use two different metals and some sour, salty water to create a cheap battery. Learners also have the option of checking the...

    1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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    In this activity, learners investigate convection by using food coloring and water of different temperatures. Through this experiment, learners discover the effect of gravity, density, and...

    1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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    This Exploratorium activity can be used in many contexts because geysers are great opportunities for learning about heat and temperature changes as well as geological/space science phenomena. You&...

    1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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    The beautiful iridescent colors of a bubble in a can! With this Exploratorium Science Snack, create beautiful soap films on the open end of a can to see beautiful rainbows of color.

    1 cent - $1 per student Ages 4 - 18 5 to 10 minutes
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    Make a big canvas of iridescent color with pvc pipe! In this Exploratorium Science Snack, you'll need to cut and assemble some PVC pipe, but the pay-off, the soap-bubble canvas, is big....

    1 cent - $1 per student Ages 6 - 18 5 to 10 minutes
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    In this activity, learners use heat to separate zinc and copper in a penny. This experiment demonstrates physical properties and how physical change (phase change) can be used to separate matter.

    1 cent - $1 per student Ages 11 - 18 5 to 10 minutes
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    Do you have an extra portable cassette tape player hanging around? This science activity demonstrates magnetic field coupling so that you can hear your iPhone music through the cassette player...

    1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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    It's difficult to see convection currents in any liquid that's undergoing a temperature change, but in this Exploratorium Science Snack, you can see the currents with the help of food...

    1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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    Balance a ball in the air with a hair dryer! This Exploratorium produced activity shows learners concepts like lift and air streams. You can try many different angles, speeds, and ball types.

    1 cent - $1 per student Ages 4 - 18 Under 5 minutes
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    By making models of light waves with paper, learners can understand why different colors appear in bubbles. Since light has different sizes, you'll see why certain iridescent colors appear in...

    1 cent - $1 per student Ages 11 - 18 10 to 30 minutes

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