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    NASA
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    In this activity, learners construct hand-held altitude trackers. The device is a sighting tube with a marked water level that permits measurement of the inclination of the tube. Learners can use...

    $5 - $10 per group Ages 8 - 18 1 to 2 hours
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    NASA
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    In this small-group activity, learners assume the roles of pilots, air traffic controllers, and NASA scientists to solve five Air Traffic Control (ATC) problems. Learners examine different distance...

    $5 - $10 per group Ages 8 - 18 1 to 7 days
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    NOAA
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    In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth. Note: This experiment can only be done at solar...

    1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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    National Health Museum
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    In this activity, learners calculate the number of milliliters of water a nearby tree transpires per day. First, teams of learners go outdoors to collect five leaves from a mulberry or cottonwood...

    $1 - $5 per group Ages 14 - 18 4 to 24 hours
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    The Exploratorium
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    In this hands-on and feet-on excursion, learners take a science walk to visualize the planet's immense size and numerous structures, without the usual scale and ratio dimensions found in most...

    1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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    The Exploratorium
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    In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun. Learners construct the photometer by making a grease spot on white paper...

    1 cent - $1 per student Ages 14 - 18 10 to 30 minutes
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    Lawrence Hall of Science
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    In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be. These steps help learners role-play the scientific...

    $10 - $20 per group Ages 8 - 18 1 to 2 hours
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy. This...

    $10 - $20 per group Ages 14 - 18 1 to 7 days
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    NASA
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    In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height. Learners must follow a certain number of design...

    free Ages 11 - 18 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion. Using both math and science skills, learners gain awareness of how human activities...

    $10 - $20 per group Ages 8 - 18 45 to 60 minutes

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