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    NCTM Illuminations
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    This lesson emphasizes the connections between science and mathematics by using a performance, or authentic, assessment format. Learners examine the relative size of the heart and discover that the...

    1 cent - $1 per student Ages 4 - 8 45 to 60 minutes
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    TERC
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    In this activity, learners plan and create a 24-foot long, two-dimensional model of our solar system, and compare and contrast the differences between planets and the sun. Learners calculate the...

    1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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    Biotechnology and Biological Sciences Research Council
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    In this activity, learners use information gathered from a variety of sources to design and make their own insect. Learners design and create an insect using household and/or arts and crafts...

    1 cent - $1 per student Ages 4 - 14 45 to 60 minutes
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    American Society for Microbiology
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    Learners construct an RNA Decoder Ring then use it to translate an RNA sequence into its corresponding amino acid sequence. This resource includes four different translating activities. In one...

    1 cent - $1 per student Ages 11 - 18 45 to 60 minutes
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    WGBH
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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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    BioEd
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    In this activity related to microbes, learners create scale models of microorganisms and compare relative sizes of common bacteria, viruses, fungi and protozoa using metric measures: meters,...

    1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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    University of Alaska Fairbanks
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    In this activity related to climate change, learners examine albedo and the ice albedo feedback effect as it relates to snow, ice, and the likely results of reduced snow and ice cover on global...

    1 cent - $1 per group Ages 14 - 18 45 to 60 minutes
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    National Optical Astronomy Observatory
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    This is a classic exercise for visualizing the scale of the Solar System. Both the relative size and spacing of the planets are demonstrated in this outdoor exercise, using a mere peppercorn to...

    1 cent - $1 per group Ages 6 - adult 45 to 60 minutes
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    PBS
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    In this math lesson, learners design an experiment to model a leaky faucet and determine the amount of water wasted due to the leak. Using the data they gather in a table, learners graph and write...

    1 cent - $1 per group Ages 11 - 14 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners build bridges using paper and explore how much weight each bridge design can support. There is an element of surprise, which increases learners' interest in the...

    1 cent - $1 per group Ages 4 - 11 45 to 60 minutes

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