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    The Exploratorium
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    This is an online exhibit about color perception. Learners set a random background color and then try to mix red, blue, and green light to match. Although this is a perception activity, it also...

    free Ages 6 - 18 5 to 10 minutes
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    The Exploratorium
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    In this hands-on activity, learners make the world's simplest Cartesian diver, using only a plastic bottle, some water, and a condiment packet. A Cartesian diver is a classic science...

    free Ages 6 - adult 5 to 10 minutes
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    The Exploratorium
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    We listen to stereo music systems, tv's, and radios because it simulates being where the sound originates. Sound is simply arriving at one ear before the other and you instinctively know its...

    free Ages 4 - 14 Under 5 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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    The Exploratorium
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    In this online activity, learners experience the thrill of pickle making, and explore how a cucumber becomes a pickle. In this "virtual kitchen," leaners discover that pickling takes...

    free Ages 6 - 14 5 to 10 minutes
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    The Exploratorium
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    We don't normally view people upside down and so our brains aren't accustomed to it. However, when a portrait of a person is upside down, but some of the features on the upside down face...

    free Ages 4 - 18 Under 5 minutes
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    The Exploratorium
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    If you got a big graduated or clear cylinder, water, a pipe, and a tuning fork, you've got a sound learning opportunity! Learn about resonance with this Exploratorium Science Snack.

    free Ages 6 - 14 5 to 10 minutes
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    The Exploratorium
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    In this online activity exploring our perception of "cuteness," learners adjust various factors (like pupil size or length of limbs) on a face, a cat, and a hammer. Learners alter the...

    free Ages 6 - 14 5 to 10 minutes
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    The Exploratorium
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    This online exhibit is a visual illusion in which a fuzzy blue dot disappears into a green background. The illusion is created by the tiny jittering movements that your eyes are continually making....

    free Ages 6 - 14 5 to 10 minutes
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    The Exploratorium
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    In this fun and interactive online exhibit, the straight lines of a tile wall appear to curve. The learner moves the rows of tiles and changes the color of the grout to achieve the intriguing...

    free Ages 4 - 18 5 to 10 minutes

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