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    University of Washington
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    These two activities (4th on the page) demonstrate the importance of two eyes in judging depth. In the first activity, two learners compare the accuracy of dropping objects into a cup using only...

    1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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    University of Washington
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    In this activity (16th on the page), learners play a variation of the "I Spy" game to explore color. Learners work in teams with each team assigned a color. Learners are given 10 minutes...

    1 cent - $1 per group Ages 4 - 11 10 to 30 minutes
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    University of Washington
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    In this quick activity/demonstration (5th on the page), learners explore depth perception. Learners look at an object in the distance, close one eye, hold up their finger in line with the object,...

    free Ages 6 - 18 Under 5 minutes
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    University of Washington
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    Are fingers the only place on the body where we use our sense of touch? In this activity (6th activity on the page), learners test the touch sensitivity of different parts of the body. One learner...

    free Ages 4 - 18 5 to 10 minutes
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    University of Washington
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    In this activity (17th on the page), learners investigate why you cannot see colors in dim light. With five pieces of paper of different colors in front of them, learners sit in the dark for about...

    $1 - $5 per group Ages 4 - 18 5 to 10 minutes
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    University of Washington
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    In this demonstration (18th on the page), learners conduct a simple test to explore how the cornea refracts light, which is further bent by the eye lens through a process known as accommodation....

    free Ages 8 - 18 Under 5 minutes
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    University of Washington
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    In this activity (18th on the page), learners conduct an experiment to examine memory. Learners will discover that there are two types of memory processes: the recency effect (short-term memory)...

    1 cent - $1 per student Ages 11 - 18 45 to 60 minutes
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    University of Washington
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    In this game-like activity (5th activity on the page), learners explore their auditory acuity as well as the importance of having two ears. Learners sit in a circle with a blindfolded learner...

    free Ages 4 - 11 5 to 10 minutes
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    University of Washington
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    In this activity, learners calculate the width (horizontal diameter) of the blind spot on their retina. Learners make a blind spot tester using a piece of notebook paper. They use simple geometry...

    1 cent - $1 per student Ages 11 - 18 5 to 10 minutes
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    University of Washington
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    In this activity (23rd on the page), learners conduct an experiment to examine memory and learning. One blindfolded learner will be timed to see how long it takes her to find an object on the floor...

    1 cent - $1 per group Ages 8 - 18 10 to 30 minutes

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