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    Oregon Museum of Science and Industry
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    This online activity has you order multiple images of a bouncing ball to show how, in animation, an object appears to lengthen as it falls, flatten as it hits the ground, and lengthen as it bounces...

    free Ages 6 - adult Under 5 minutes
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    Twin Cities Public Television
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    In this online Flash game, learners will explore a coral reef using an underwater remotely operated vehicle (ROV). Faced with concerns that environments around the world might be undergoing rapid...

    free Ages 6 - 14 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    This online activity lets learners create a flipbook of a dancing stick figure. Learners choose from a dozen different dance moves, and put them in any sequence they wish, including repeating moves...

    free Ages 8 - 14 10 to 30 minutes
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    Optical Society of America
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    In this optics activity, learners use a television to generate an image with a magnifying glass. Learners will be surprised to see how they can watch TV on a piece of paper, albeit upside down! Use...

    free Ages 6 - 11 Under 5 minutes
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    Oregon Museum of Science and Industry
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    This is an online activity where learners can virtually mix different colors of light or paint (you can switch between them) and see how the colors combine. It demonstrates how millions of colors...

    free Ages 6 - adult 5 to 10 minutes
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    The Exploratorium
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    In this activity, learners explore their eye pupils and how they change. Learners use a magnifying glass, mirror, and flashlight to observe how their pupil changes size in response to changes in...

    free Ages 8 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    This activity (on page 2 of the PDF) is a full inquiry investigation into aerial imagery. Learners will use the internet to gather free aerial imagery of nearby points of interest (or use laminated...

    free Ages 8 - 14 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    In this online interactive, learners create simple animations. Learners select backgrounds, characters, character placement, and character size. Learners then position their character in up to 5...

    free Ages 8 - 14 10 to 30 minutes