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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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    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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    The Exploratorium
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    In this activity, learners explore chemiluminescence and fluorescence. Learners examine 3 different solutions in regular light, in the dark with added bleach solution, and under a black light. This...

    $10 - $20 per group Ages 8 - 18 30 to 45 minutes
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    Oregon Museum of Science and Industry
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    In this activity, learners add dilute bleach solution to water that has been dyed with yellow, blue, and green food color. Using a chemical reaction (bleaching), learners can identify different...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    This is an activity (on page 2 of the PDF) about the two main components of bone - collagen and minerals (like calcium) - and how they each contribute to its flexibility and strength. Learners will...

    $5 - $10 per group Ages 8 - 14 1 to 7 days
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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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    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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    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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    New York Hall of Science
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    Make your own mummy! Using a combination of salts, transform an apple into a mummy and discover how the Ancient Egyptians used drying as one step in the mummification process. Note: The...

    $1 - $5 per student Ages 6 - 14 1 to 4 weeks

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