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    Lawrence Hall of Science
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    In this outdoor activity/field trip, learners explore the concept of population density. Using a simple hunt-and-walk technique, learners will count several kinds of desert plants and compare their...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Lawrence Hall of Science
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    In this activity, learners observe mixtures of sand samples glued to note cards, and consider how sand can differ in size, shape, and color, and where it comes from. The goal is to help learners...

    1 cent - $1 per group Ages 4 - adult 10 to 30 minutes

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