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    Oregon Museum of Science and Industry
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    This computer interactive lets you explore the effect of changing the number of colors and resolution of a picture. You can see the picture in high quality (72 dots per inch), low quality (10 dpi),...

    free Ages 6 - adult 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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