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    Sciencenter
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    In this challenge, learners have to figure out in what order to combine five solutions to change the color from clear, to yellow, to blue, and back to clear. The five chemicals are potassium iodide...

    Over $20 per group Ages 4 - 14 10 to 30 minutes
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    APSnet
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    In this activity related to plant biotechnology, learners use the tissue culture process to rapidly produce clones (genetic copies) of a particular plant (cauliflower, rose cuttings, African violet...

    Over $20 per group Ages 11 - 18 1 to 12 months
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    APSnet
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    The purpose of this plant biotechnology activity is to demonstrate the effect of changes in the environment on the growth and fertility of landscape grasses and crop grasses such as wheat and rice....

    $10 - $20 per group Ages 11 - 18 45 to 60 minutes
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    APSnet
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    In this activity related to plant biotechnology, learners transform a strain of E. coli using green fluorescent protein from a bioluminescent jellies. This lab will help learners understand...

    Over $20 per group Ages 11 - adult 1 to 7 days
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    University of Utah
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    What is the optimal environment for hatching brine shrimp? Using a scaffold, learners design and conduct experiments testing the effect of a single abiotic factor on brine shrimp cyst hatch rate....

    Over $20 per group Ages 11 - 18 1 to 7 days
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    BioEd
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    In this four-day activity, learners grow bacteria and/or fungi from a variety of locations and compare the results. They will learn that microbes are everywhere; some such as bacteria and fungi...

    $10 - $20 per group Ages 8 - 14 1 to 7 days
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners use red cabbage juice and pH indicator paper to test the acidity and basicity of household materials. The activity links this concept of acids and bases to acid rain and other pollutants....

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Sciencenter
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    In this challenge, learners figure out how to make a juice stain disappear. (Younger learners will definitely need assistance, and safety instructions are included in the PDF.) First they...

    $10 - $20 per group Ages 4 - 14 30 to 45 minutes
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    Science Museum of Minnesota
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    Many common household cleaners are antimicrobials. In this activity, learners will test the effectiveness of several of these agents such as bleach, hand soap, and hand gel on a common strain of...

    $1 - $5 per group Ages 8 - adult 10 to 30 minutes
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    American Society for Microbiology
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    In this activity, learners prepare samples for microscopic observation from a termite hindgut, a lichen, and a legume root nodule. Learners use microscopes to examine mutually beneficial symbiotic...

    Over $20 per group Ages 11 - 18 1 to 2 hours

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