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    My Science Box
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    In this activity, learners solidify their conceptualization of cells by building a model of a cell in a ziplock bag. The three-dimensional nature of cells comes to life as learners use everyday...

    Over $20 per group Ages 11 - 18 1 to 2 hours
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    The Exploratorium
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    Ocean acidification is a problem that humans will have to deal with as we release more and more carbon dioxide into the atmosphere. This activity demonstrates how water can become acidic with the...

    $1 - $5 per student Ages 8 - 18 5 to 10 minutes
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    The Exploratorium
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    Play with a slinky and make transverse waves. In this simple Exploratorium Science Snack, learners will experience making waves and will learn the different parts of a wave.

    free Ages 6 - 14 Under 5 minutes
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    Science Museum of Minnesota
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    Using pipe cleaners, straws, and beads, learners explore the building blocks of life by creating their own model of DNA. This activity provides a great introduction to learning about the structure...

    $1 - $5 per student Ages 8 - 18 10 to 30 minutes
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    TERC
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    In this activity, learners plan and create a 24-foot long, two-dimensional model of our solar system, and compare and contrast the differences between planets and the sun. Learners calculate the...

    1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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    American Society for Microbiology
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    Learners act as nucleotides as they build a human model of DNA. Learners' hands represent the 3' and 5' locations of the hydroxyl and triphosphate groups of each nucleotide. Learners...

    $10 - $20 per group Ages 14 - 18 10 to 30 minutes
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    Children's Museum of Indianapolis
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    In this activity, learners explore the size and scale of dinosaurs. Learners listen to "Dinosaurs, Dinosaurs" by Byron Barton to understand some background information about dinosaurs....

    $1 - $5 per group Ages 6 - 8 45 to 60 minutes
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    Science Museum of Minnesota
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    In this activity, learners imitate the way vocal cords work by building a model from a plastic cup, rubber band, and a straw. Then learners blow through the straw onto the model, and listen to the...

    1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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    Colorado State University
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    In this activity, learners simulate the behavior of the atmosphere. Learners working in groups of four will represent "cells" of the model (Earth, lower atmosphere, upper atmosphere, and...

    free Ages 8 - 14 10 to 30 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners observe and discuss a vacuum cleaner as a model of a baghouse, a device used in cleaning industrial air pollution. In this demonstration, learners observe the inside of a used vacuum...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes

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