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    Computer Science Unplugged
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    This activity about cryptographic techniques illustrates a situation where information is shared, and yet none of it is revealed. A group of learners will calculate their average age without anyone...

    1 cent - $1 per group Ages 11 - adult 5 to 10 minutes
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    Computer Science Unplugged
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    In this activity related to computer programming, learners give directions to a "robot" (either an adult or another learner) and find out which instructions the robot is able to follow,...

    $1 - $5 per group Ages 6 - 18 10 to 30 minutes
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    National Museum of American History
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    In this activity, learners will use Google Sky to observe features of the night sky and share their observations. Learners partake in a "Telescope Treasure Hunt" as they look for...

    free Ages 4 - 11 10 to 30 minutes
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    The Exploratorium
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    In this web-based activity, learners try to figure out who in an online chat room has their matching puzzle piece. This is a matchmaking activity that can be used as an icebreaker to introduce...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    Computer Science Unplugged
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    This activity explores the main algorithms that are used as the basis for searching on computers, using different variations on the game of battleships. This activity demonstrates three search...

    1 cent - $1 per group Ages 8 - adult 30 to 45 minutes
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    Computer Science Unplugged
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    In this activity, learners use a fictitious map of "Tourist Town" and counters to problem solve how to place ice-cream vans on street intersections so that every other intersection is...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    Twin Cities Public Television
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    In this technology activity, learners explore digital imaging and pixels. Learners "transmit" an image to a partner by creating an image on grid paper. Learners then use a code of zeroes...

    1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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    Computer Science Unplugged
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    In this outdoor activity, learners use pegs (like tent pegs) and string or elastic to simulate drill sites and roads in Northern Canada. Learners are challenged with figuring out how to connect the...

    $5 - $10 per group Ages 11 - 18 30 to 45 minutes
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    National Center for Women and Information Technology (NCWIT)
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    Even fast computers are limited to how quickly they can solve problems. One way to speed things up is to use several computers at once. In this physical activity, learners act as multiple networked...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    NISE Network
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    In this activity, learners discover why some nanoscale science and technology is done in the controlled environment of a clean room, what clean rooms are like, and how scientists help keep the...

    Over $20 per group Ages 4 - adult 10 to 30 minutes

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