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    NSBRI
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    In this activity about humans and space travel (page 1 of PDF), learners compare and contrast the behavior of a water-filled plastic bag, both outside and inside of a container of water. This...

    1 cent - $1 per group Ages 6 - 11 45 to 60 minutes
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    In this activity about living things and gravity (page 5 of PDF), learners design and build an exoskeleton or an endoskeleton for an animal of their own invention. Learners consider their animal&...

    1 cent - $1 per group Ages 6 - 11 1 to 2 hours

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