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    BioEd
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    In this food science activity, learners explore digestion and proteins by observing the action of meat tenderizer on luncheon meat. This lesson guide includes background information about digestion...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    Oregon Museum of Science and Industry
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    Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it. Leaners discover earth materials such as sand and dirt can be used...

    $1 - $5 per group Ages 11 - 18 30 to 45 minutes