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    In this engineering activity (page 3 of PDF), young learners investigate how a pole can be made stable by “planting” its base in the ground or adding supports to the base. First, learners observe...

    $1 - $5 per group Ages 4 - 8 30 to 45 minutes
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    In this water activity, learners discover ways to move water across the water table. Learners use various tools including squirt bottles, sponges, and turkey basters to move water from one...

    $5 - $10 per group Ages 4 - 6 10 to 30 minutes
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    Professor John Endler traveled to Trinidad in the 1970s to study wild guppies. In this activity, learners take part in an online simulation of Endler's work. Learners collect data, formulate a...

    1 cent - $1 per group Ages 11 - adult 45 to 60 minutes
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    This activity guide features three related explorations to help learners ages 3-6 investigate shadows via the following science concepts: A shadow is made when an object blocks the light; you can...

    $5 - $10 per group Ages 4 - 6 45 to 60 minutes
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    Have you noticed the plastic rings that are used to hold six-packs of soda? Those rings are great for carrying cans, but they're real trouble when they become trash that animals can get...

    $1 - $5 Ages 8 - 14 45 to 60 minutes
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    In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build. Learners think about a familiar shape in new ways, brainstorm shelter...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    In this engineering activity, learners will get acquainted with the basics of wind energy and power production by fabricating and testing various blade designs for table-top windmills constructed...

    Over $20 per group Ages 11 - 14 2 to 4 hours
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    In this activity, learners calculate their water usage (in cups and galloons) during an average shower. Learners also chart and analyze water usage during showers in their households. Use this...

    free Ages 6 - 11 45 to 60 minutes