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    Make
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    In this activity, learners use a laser pointer to project a microscopic image of a liquid sample suspended from the tip of a syringe. This activity includes step by step instructions with helpful...

    Over $20 per group Ages 14 - adult 30 to 45 minutes
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    American Society for Microbiology
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    Learners use a Microviewer to examine common objects at 60-100X magnification. After viewing these things, learners categorize them according to their properties. They create a game board to...

    Over $20 per group Ages 8 - 18 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 Utah
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    In this activity, learners place cards featuring biological structures in order by their relative size from largest to smallest. The cards feature structures ranging from the carbon atom (340 pm)...

    1 cent - $1 per group Ages 11 - 18 10 to 30 minutes
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    American Chemical Society
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    This activity uses Jell-O(R) to introduce learners to microfluidics, the flow of fluids through microscopic channels. Using wooden coffee stirrers, learners create patterns to be cast in Jell-O(R),...

    $10 - $20 per group Ages 8 - adult 45 to 60 minutes
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    The Exploratorium
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    In this activity on page 1 of the PDF, learners compare the relative sizes of biological objects (like DNA and bacteria) that can't be seen by the naked eye. Learners will be surprised to...

    free Ages 8 - 18 10 to 30 minutes
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    NASA
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    In this activity (on pages 19-21 of the PDF) learners observe mold growing on potatoes. Preparation for this activity has to start a week before, to allow time for the mold to grow on the potatoes....

    1 cent - $1 per group Ages 4 - 14 30 to 45 minutes
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    The Exploratorium
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    In this activity related to music and sound vibrations, learners make a phonograph or record player out of simple materials. First, learners assemble the turntable, arm, and sound cone. Then, they...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    National Health Museum
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    This investigation provides learners with a hands-on activity that simulates the changing relationship of surface areas-to-volume for a growing cell. By analyzing four sand-filled cubic models ...

    $1 - $5 per group Ages 14 - 18 45 to 60 minutes