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    Bridge: Online Ocean Science Education Resource Center
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    In this environmental science and data analysis activity, learners work in groups to track a Dead Zone (decreased dissolved oxygen content of a body of water) using water quality data from the...

    free Ages 14 - 18 1 to 2 hours
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    American Association for the Advancement of Science
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    In this lesson that includes hands-on activities and demonstrations, learners discover that it is the tilt of the Earth's axis (not its proximity to the sun) that causes the seasons. Learners...

    free Ages 11 - 14 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners measure and calculate the amount of cubic feet various containers contain. Next, learners investigate cubic feet per second (cps), by carrying jugs in one second. This...

    free Ages 11 - 18 45 to 60 minutes
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    Bridge: Online Ocean Science Education Resource Center
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    Water, whether fresh or salty, serves as one of the best electrical conductors on the planet. Does salt effect its conductivity? In this activity, learners will explore the effects of salts in the...

    free Ages 14 - 18 1 to 2 hours
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    Smithsonian Center for Education and Museum Studies
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    In this activity, learners participate in a scavenger hunt, searching for and recognizing minerals and products that contain minerals. They make note of their finds on a Mineral Scavenger Hunt...

    free Ages 8 - 14 10 to 30 minutes
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    Children's Museum Of Houston
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    In this game, learners are stuck in a right turn only world! Learners take turns rolling a die and moving their game pieces along the lines of a grid to get "home," by only making right...

    free Ages 8 - 11 10 to 30 minutes
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    Twin Cities Public Television
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    This is a quick game about self-assembly. Like the molecules of DNA, learners will self-assemble into a pattern by following a simple set of rules. The icebreaker game is part of a larger self...

    free Ages 8 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    This is a quick activity (located on page 2 of the PDF) about surface tension. Learners will predict how many pennies can be placed in a full glass of water before it overflows. Water has a...

    free Ages 8 - 14 10 to 30 minutes
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    NASA
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    In this activity, learners train to increase muscular strength and improve upper and lower body coordination by performing the “bear crawl” and the "crab walk.” Learners perform the exercises...

    free Ages 8 - 14 1 to 4 weeks
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    California Academy of Sciences
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    In this activity, learners will learn how igneous rock, metamorphic rock, and sedimentary rock are formed as part of the rock cycle and that the same forces that produce/change rocks also produce...

    free Ages 8 - 18 30 to 45 minutes

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