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    Lawrence Hall of Science
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    In this outdoor, ocean-side activity, learners investigate the distribution of organisms in the upper region of the intertidal zone. Many coastal animals survive long exposures to air, high...

    $10 - $20 per group Ages 8 - 18 45 to 60 minutes
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    University of Washington
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    In this activity (6th on the page), learners investigate how photoreceptors in the eye (rods and cones) "adapt" to low light conditions. Learners sort similar bottle caps in a well-lit...

    free Ages 8 - 18 10 to 30 minutes
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    University of Utah
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    In this activity, learners examine how brine shrimp populations can survive in some of the harshest environments. Learners subject brine shrimp cysts to extreme conditions to evaluate the hardiness...

    Over $20 per group Ages 11 - 18 1 to 7 days
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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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    Virginia Aquarium and Marine Science Center
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    In this activity, learners examine body parts (including skin, scales, and skulls) from fish, mammals and reptiles. Questions are provided to help encourage learner investigations. Several...

    Over $20 per group Ages 4 - adult 10 to 30 minutes
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    Lawrence Hall of Science
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    In this outdoor activity/game, learners use thermometers to simulate how lizards survive in habitats with extreme temperatures. Learners are challenged to keep their thermometer-lizard "alive...

    $5 - $10 per group Ages 8 - 18 45 to 60 minutes
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    Lawrence Hall of Science
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    In this activity and/or field trip, learners investigate the water currents that aquatic animals create when they breathe, feed, and propel themselves through water. Learners trace the currents in...

    $10 - $20 per group Ages 8 - 18 30 to 45 minutes
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    Iridescent
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    In this engineering design challenge, learners build an octopus-inspired suction pad that can grab an object and hold it tightly in the air. As learners work their way through the design process,...

    $5 - $10 per student Ages 4 - 18 1 to 2 hours
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    American Museum of Natural History
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    In this experiment, pairs of learners explore how cold water affects circulation. The mammalian diving reflex (MDR) slows circulation when the body is exposed to cold water. Learners measure their...

    free Ages 8 - 18 30 to 45 minutes
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    National Health Museum
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    In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey. Learners design fish out of red paper and then attempt to locate their fish...

    $1 - $5 per group Ages 14 - 18 45 to 60 minutes