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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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    Centers for Ocean Sciences Education Excellence
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    In this game, learners match descriptions of marine debris (shoes, batteries, paper towels, etc.) to images of these items. This activity can lead to a discussion about the effects of marine debris...

    1 cent - $1 per group Ages 8 - adult 10 to 30 minutes
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    The California Study, Inc.
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    In this activity, learners explore how various energy sources can be used to cause a turbine to rotate. Learners will construct a turbine that is not strong enough to operate an electrical...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    NOAA
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    In this activity, learners make a model of a pollution spill that occurred at Bangs Lake in Mississippi and measure water quality parameters in their model. Learners then study the actual spill,...

    Over $20 per group Ages 14 - 18 2 to 4 hours
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    Lawrence Hall of Science
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    In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be. These steps help learners role-play the scientific...

    $10 - $20 per group Ages 8 - 18 1 to 2 hours
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    Lawrence Hall of Science
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    In this outdoor activity, learners use a mapping technique to become oriented to the major features of an outdoor site. Learners become aware of both physical and biological features including...

    $10 - $20 per group Ages 8 - 18 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    This is a tape and glue activity in which learners make binoculars that they can decorate and then use to go bird watching. The suggested questions encourage learners to share their knowledge,...

    $5 - $10 per group Ages 4 - 6 10 to 30 minutes
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    Lawrence Hall of Science
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    In this outdoor activity and game, learners explore how animals adapt for survival through coloration, markings and camouflage. By inventing, designing and hiding their own animal models, and...

    $10 - $20 per group Ages 6 - 14 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor activity, learners search for the warmest and coolest, windiest and calmest, wettest and driest, and brightest and darkest spots in an area. They also look for differences between...

    $10 - $20 per group Ages 8 - 18 45 to 60 minutes
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    Lawrence Hall of Science
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    In this activity, learners observe fly behavior and then build a flytrap. They make more observations, compare the effectiveness of different traps, and modify their traps to increase their...

    $1 - $5 per group Ages 11 - adult 1 to 2 hours

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