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    The Exploratorium
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    In this hands-on and feet-on excursion, learners take a science walk to visualize the planet's immense size and numerous structures, without the usual scale and ratio dimensions found in most...

    1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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    Children's Museum of Indianapolis
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    In this activity, learners compare the ways of life of Plains Native Americans who hunted and moved frequently to follow the buffalo herds, and Native Americans who farmed and lived in more...

    $10 - $20 per group Ages 4 - 11 30 to 45 minutes
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    Oregon Institute of Marine Biology
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    In this activity, learners pretend that they are orcas and search for their "pods" using Morse code. As orcas use squeaks to communicate and keep track of each other, the learners will do...

    1 cent - $1 per student Ages 8 - 11 45 to 60 minutes
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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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    Oregon Museum of Science and Industry
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    This is an activity about dinosaurs, fossils, and the work of paleontologists. Learners use hand tools (paint brushes, scoops, and sifters) to unearth fossil specimens in tubs of birdseed. This...

    $1 - $5 per group Ages 4 - 6 10 to 30 minutes
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    University of Nebraska State Museum
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    In this activity (on pages 18-28), learners explore how the shape of seeds affects how they are dispersed by wind, birds, ocean currents and other means. Learners make predictions about seeds'...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    Science Museum of Minnesota
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    This is an online simulation of how sound changes due to environment. How does place--like a cave, a pier, or a forest--affect certain sounds? Move the sound pieces around and change the location...

    free Ages 4 - 8 5 to 10 minutes
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    Biotechnology and Biological Sciences Research Council
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    In this activity, leaners will observe the process of natural selection on a population of birds called 'Springbeaks' over four seasons of breeding on an isolated environment called '...

    $10 - $20 per group Ages 11 - adult 45 to 60 minutes
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    Science Friday
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    Learners explore the variables that affect the properties of ice and the places where different types of ice are found. Using evidence from informational text and multiple media resources, as well...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    The Exploratorium
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    In this geology activity, learners create a model using a mixture of salt and sand inside a CD case. When the case is tilted or inverted, the mixture dramatically sorts into a layered pattern. With...

    $5 - $10 per group Ages 11 - 18 1 to 2 hours

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