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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 chemistry challenge, learners identify an unknown white powder by comparing it with common household powders. Learners first explore what happens when baking soda, baking powder, and...

    Over $20 per group Ages 4 - 14 10 to 30 minutes
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    Sciencenter
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    Learners are challenged to create solutions that conduct electricity and make a buzzer buzz (or an LED light up). They are given water, salad oil, alcohol, and vinegar as liquids, salt and sugar as...

    Over $20 per group Ages 4 - 14 10 to 30 minutes
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    Sciencenter
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    In this chemistry challenge, learners combine acids and bases in a universal indicator to create five different colors. Using vinegar, washing soda, and Bogen universal indicator, the goal is to...

    Over $20 per group Ages 4 - 14 10 to 30 minutes
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    Lawrence Hall of Science
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    In this activity, learners test to see if carbon dioxide is present in the air we breathe in and out by using a detector made from red cabbage. Learners experiment by exposing the detector to air...

    Over $20 per group Ages 8 - adult 10 to 30 minutes
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    COSI
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    In this chemistry activity (page 5 of the PDF), learners make an acid-base indicator using cabbage. Learners then explore how various subtances react with this indicator. Though this activity was...

    Over $20 per group Ages 8 - 18 30 to 45 minutes
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    Science Friday
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    In this activity, learners use household materials to investigate and explore their ability to smell an odor. Learners compare and contrast results to determine if some individuals have a better...

    Over $20 per group Ages 11 - 14 45 to 60 minutes
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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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    My Science Box
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    In this activity, learners conduct tests for proteins, glucose, and starch. At the beginning of the activity, learners choose three items to test: one known to be “never alive," one known to...

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