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    American Physical Society
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    Learners shine the light of a laser pointer through sheets of fabric that all have a different number of threads per inch. By looking at the patterns created, learners calculate the wavelength of...

    $5 - $10 per group Ages 11 - 14 10 to 30 minutes
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    American Physical Society
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    Learners experiment to see which colors of light will cause a phosphorescent (glow-in-the-dark) material to glow. Different colors of light have different wavelengths, and different amounts of...

    $10 - $20 per group Ages 11 - 14 10 to 30 minutes
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    American Physical Society
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    Learners use compasses to detect the magnetic field created by current moving through a wire. This is one of four activities learners can complete related to PhysicsQuest 2008. Each activity gives...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    American Physical Society
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    In this simple demonstration, learners investigate the properties of air pressure. Learners place an index card on top of a glass full of water, then invert the glass. The surface tension of the...

    free Ages 8 - 14 5 to 10 minutes
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    American Physical Society
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    Learners use the current flowing in a wire to create a magnetic field that turns a magnet. Learners can use this property of electromagnetism to build a magnet-powered pinwheel. This is one of four...

    $1 - $5 per student Ages 11 - 18 10 to 30 minutes
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    American Physical Society
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    In this simple activity, learners investigate refraction by placing a picture of an arrow behind a glass of water. Learners may be surprised when a left-pointing arrow is reversed when viewed...

    free Ages 8 - 14 5 to 10 minutes
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    American Physical Society
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    On an airplane trip, learners have an opportunity to investigate the properties of air pressure at different altitudes. When the plane is at cruising altitude, learners open and cap a empty...

    free Ages 6 - 14 30 to 45 minutes
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    American Physical Society
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    In this activity on page 13 of the PDF, learners use a laser pointer (with known wavelength of light) to measure the thickness of a human hair. By shining the laser on a hair, analyzing the...

    $5 - $10 per group Ages 11 - 14 10 to 30 minutes
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    American Physical Society
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    In the kitchen, learners can perform their own density investigation. Diet soda and regular soda differ in their sweeteners, and this makes a difference in whether a can of each will float or sink...

    1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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    American Physical Society
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    Learners examine the properties of light by experimenting with an LED-flashlight and polarizing filters. When two polarizers are used, they block all light when they are placed at right angles....

    $10 - $20 per group Ages 11 - 14 10 to 30 minutes

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