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    APSnet
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    In this lab, learners explore Koch's Postulates, the critical step used to prove that a particular microbe is the cause of a specific disease in a host organism (plant or animal). This is...

    Over $20 per group Ages 11 - 18 1 to 4 weeks
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    Make
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    Agriculturalists have long considered mushroom growing a challenge, largely because you need a piece of benchtop equipment known as a laminar flow hood. In this activity, learners make their own ...

    Over $20 per group Ages 11 - adult 1 to 4 weeks
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    Howard Hughes Medical Institute
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    In this activity, learners build a plastic emergence chamber (or use purchased "mini mosquito breeder") to observe and analyze the mosquito life cycle. Learners record daily observations...

    Over $20 per group Ages 11 - 18 1 to 4 weeks
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    4-H
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    In this environmental science activity, learners research what is essential for plant life and the necessary components of soil to support plants. Then, learners plan, design and build compost bins...

    Over $20 per group Ages 11 - 14 1 to 4 weeks