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    PBS
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    In this math activity, learners read "The Button Box" by Margarette S. Reid and then make their own button boxes filled with different buttons. Learners count and classify the buttons and...

    $5 - $10 per group Ages 6 - 8 1 to 2 hours
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    APSnet
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    In this laboratory exercise, learners will discover how many different plant hosts they can find that are infected by the same genus of a powdery mildew fungus, or how many different genera of...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    PBS
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    In this activity, learners collect, analyze, and interpret information about objects in order to classify them into a cladogram. Use this activity to talk about how scientists classify things.

    $5 - $10 per group Ages 8 - 18 1 to 2 hours
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    Centers for Ocean Sciences Education Excellence
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    In this activity, learners are challenged to design a planktonic organism that will neither float like a cork nor sink like a stone. They are given pictures of planktonic organisms and simple...

    $5 - $10 per group Ages 8 - adult 30 to 45 minutes
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    Perkins School for the Blind
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    This activity was designed for blind learners, but all types of learners can use it to organize an interactive model for learning the classification system (taxonomy) of living things. Learners...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7. Learners then categorize plastics based on characteristics...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    The Exploratorium
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    In this web-based activity, learners try to figure out who in an online chat room has their matching puzzle piece. This is a matchmaking activity that can be used as an icebreaker to introduce...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    American Association for the Advancement of Science
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    In this online game, learners test their skills of categorization. Sixteen different organisms are given (human, monkey, jellyfish, etc.) and one category (e.g., things that eat fish, birds, things...

    free Ages 8 - 11 10 to 30 minutes
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    University of Nebraska State Museum
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    In this activity (on pages 2-8), learners experience how scientists use classification in their study of animals. They sort pictures of parasites according to characteristics such as shape, size,...

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    Howard Hughes Medical Institute
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    In this interactive activity, learners analyze seashells to explore phylogeny and evolution. Learners identify similar and dissimilar seashells to create a phylogenetic tree. The Teacher Guide...

    free Ages 11 - 18 10 to 30 minutes

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