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    WGBH
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    In this design challenge activity, learners build a machine out of cardboard that runs smoothly and dependably. Learners must be precise to make sure their component works properly. This activity...

    $1 - $5 per student Ages 8 - 14 30 to 45 minutes
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    In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink? Learners must adjust many variables in their boat design to maximize...

    1 cent - $1 per student Ages 6 - 11 45 to 60 minutes
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    In this design challenge activity, learners use two helium-filled balloons to build a blimp that can travel in a straight path across the room. The activity guide contains information for Educators...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    In this hands-on activity, learners use the steps of the design process to create a hook to rescue a "space capsule" from the water. Participants design, build, test and redesign their...

    $1 - $5 per group Ages 6 - 11 30 to 45 minutes
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    Students design and build their own parachutes in this hands-on engineering project. Using the engineering design process, kids explore the concepts of gravity and air resistance as they test how...

    $1 - $5 per group Ages 6 - 11 45 to 60 minutes
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    In this simple and fun activity, learners discover the relationship between vibration and sound by making a squeaky toy instrument out of simple household materials. Participants explore how...

    1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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    This guide features three related ramp explorations in which learners investigate the following science concepts: when placed on a ramp, some objects roll, others slide, and others stay put; the...

    $5 - $10 per group Ages 4 - 6 45 to 60 minutes
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    This event guide features three related explorations in which learners investigate the following science concepts: how you design and build a structure helps determine how strong it will be;...

    $5 - $10 per group Ages 4 - 6 45 to 60 minutes
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    University of Nebraska State Museum
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    In this activity (on pages 18-29) learners explore the impact of the March 24, 1989 oil spill in Alaska caused by the Exxon Valdez tanker. First they use a map to track the movement of the spill...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    University of Nebraska State Museum
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    This activity (on pages 38-43) has learners simulate the way scientists track and map the movement of otters in the wild using radio trackers. One learner plays the role of Sea Otter, and other...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes

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