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    Biotechnology and Biological Sciences Research Council
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    In this activity (p.8-9 of PDF), learners investigate the evolution of wheat by conducting sedimentation tests on different flours. The evolution of wheat from wild grasses demonstrates the...

    $5 - $10 per group Ages 8 - adult 10 to 30 minutes
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    Biotechnology and Biological Sciences Research Council
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    In this activity (p.7-8 of PDF), learners examine fossil formation. Learners investigate the stages in the formation and finding of fossils: erosion, sedimentation, creatures dying and being buried...

    $10 - $20 per group Ages 8 - 11 10 to 30 minutes
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    New Jersey Department of Education
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    Water treatment on a large scale enables the supply of clean drinking water to communities. In this activity, learners develop methods to clean a polluted water sample, describe components of a...

    $5 - $10 per group Ages 11 - adult 45 to 60 minutes