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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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    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 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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    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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    In this physics activity, learners use square blocks to explore how towers fall. Learners attach a piece of string to the side of a block and then construct a tall tower on top of this base block....

    1 cent - $1 per student Ages 8 - 14 5 to 10 minutes

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