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    New York Hall of Science
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    In this activity, learners discover that people often see what they expect to see and hear what they expect to hear. Your brain gets all of its information about the outside world through your five...

    1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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    New York Hall of Science
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    In this is activity about sound and vibration, learners create their own 'flutes' with drinking straws, then investigate how changing the length of the straw affects the sounds that are...

    1 cent - $1 per student Ages 4 - 11 5 to 10 minutes

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