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    Lawrence Hall of Science
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    In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count. In a process similar to that used by real field biologists, learners count...

    $10 - $20 per group Ages 8 - 14 45 to 60 minutes
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    Berkeley Natural History Museums
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    Learners use a variety of beans to represent a variety of species, and scatter these beans over a large piece of paper representing the environment. They then use random sampling methods to catalog...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    University of Nebraska State Museum
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    In this activity (on pages 10-17), learners discover how scientists study biodiversity and the health of the environment based on inspection of small areas—a process known as sampling. Learners...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    Science Museum of Minnesota
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    In this interactive Quicktime computer game, learners use archaeological techniques and strategies to "dig up" a hidden image. The game has an easy and hard setting. This game is part of...

    free Ages 4 - 11 5 to 10 minutes
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    Berkeley Natural History Museums
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    Learners use several types of insect sampling and collection equipment to make an insect collection. Learners can collect insects from their schoolyard or yard at home. Insect collections are a...

    $10 - $20 per group Ages 14 - 18 1 to 2 hours
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    Lawrence Hall of Science
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    In this outdoor, warm weather activity, learners use sweepnets to search a grassy area such as a large lawn or field, collecting small animals to find as many different kinds of animals as possible...

    $5 - $10 per group Ages 6 - 14 45 to 60 minutes
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    NCTM Illuminations
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    This lesson focuses learners on the concept of 1,000,000. It allows learners to see firsthand the sheer size of 1 million, while at the same time providing learners with an introduction to sampling...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    Berkeley Natural History Museums
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    After an interest-generating discussion about "dirt" and microbes, learners select and collect soil samples from a variety of locations (schoolyard, home, etc.). They make a dilution in...

    $1 - $5 per group Ages 8 - 18 1 to 7 days
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    Lawrence Hall of Science
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    In this outdoor activity and fun race, learners first find the most common type of tree in a forest site. Learners use a "transect," a kind of sampling technique, to estimate the number...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    American Educational Products
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    In this activity, learners create a map of a hidden surface using a "sounding stick" -- a technique similar to how underwater maps were once made. The hidden surface is created using...

    Over $20 per group Ages 4 - adult 10 to 30 minutes

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