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    Colorado State University
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    In this demonstration/experiment, learners discover that different colors and materials (metals, fabrics, paints) radiate different amounts of energy and therefore, cool at different rates....

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    Colorado State University
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    In this activity, learners simulate the behavior of the atmosphere. Learners working in groups of four will represent "cells" of the model (Earth, lower atmosphere, upper atmosphere, and...

    free Ages 8 - 14 10 to 30 minutes
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    Colorado State University
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    In this demonstration, learners can observe a number of small convection cells generated from a mixture of aluminum powder and silicon oil on a hot plate. This demonstration helps learners...

    $5 - $10 per student Ages 8 - 14 5 to 10 minutes
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    Colorado State University
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    In this activity, learners simulate the energy transfer between the earth and space by using the light from a desk lamp desk lamp with an incandescent bulb and a stack of glass plates. The stack of...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    Colorado State University
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    In this activity, learners explore how air warms when it condenses water vapor or makes clouds. To see this in action, learners use their hands and breath to examine how evaporation cools things...

    1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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    Colorado State University
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    In this activity, learners explore clouds and how they form. Learners compare the cloud formation in two bottles, one with air freshener and one without, to examine the importance of condensation...

    $1 - $5 per group Ages 8 - 18 5 to 10 minutes
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    Colorado State University
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    In this kinesthetic activity, learners will play a game with a ball to demonstrate the Coriolis force, which partly explains why hurricanes in the Northern Hemisphere rotate counterclockwise. This...

    free Ages 8 - 14 10 to 30 minutes
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    Colorado State University
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    This simple hands-on activity demonstrates why the sky appears blue on a sunny day and red during sunrise and sunset. Learners observe as a special "sunset egg" and a white light reveal...

    $1 - $5 per student Ages 8 - 14 5 to 10 minutes
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    Colorado State University
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    The demonstration/experiment provides quick proof that air has mass. Learners measure the mass of a 2-liter bottle attached with special "Fizzkeeper" cap before and after extra air...

    $1 - $5 per group Ages 8 - 14 5 to 10 minutes
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    Colorado State University
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    In this activity, learners use cheap, thin plastic garbage bags to quickly build a solar hot air balloon. In doing so, learners will explore why hot air rises. Learners can use a hair dryer to...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes

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