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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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    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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    National Center for Women and Information Technology (NCWIT)
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    In this computer science activity about finite-state automaton (on page 45 of the PDF), learners use a map and choose various pathways to find Treasure Island. They learn that different pathways...

    1 cent - $1 per student Ages 8 - 14 45 to 60 minutes
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    National Center for Women and Information Technology (NCWIT)
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    Computers store drawings, photographs, and other pictures using only numbers. Through this activity, learners decode numbers to create pictures using the same process that computers use. They can...

    1 cent - $1 per student Ages 8 - 14 45 to 60 minutes
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    National Center for Women and Information Technology (NCWIT)
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    When a lot of people share one network (such as cars using roads, or messages getting through the Internet), there is the possibility that competing processes will create a “deadlock," or an...

    1 cent - $1 per student Ages 8 - 14 45 to 60 minutes
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    National Center for Women and Information Technology (NCWIT)
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    Data in computers is stored and transmitted as a series of zeros and ones. Learners explore how to represent numbers using just these two symbols, through a binary system of cards. When the card&...

    $1 - $5 per student Ages 8 - 14 45 to 60 minutes
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    National Center for Women and Information Technology (NCWIT)
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    Computers are often used to put lists into some sort of order—for example, names into alphabetical order, appointments or e-mail by date, or items in numerical order. In this activity learners...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    Computer Science Unplugged
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    This activity shows learners how computers use numbers to represent pictures. A grid is used to represent the pixels (short for picture elements) of a computer screen. Numbers indicate whether...

    1 cent - $1 per student Ages 6 - adult 30 to 45 minutes
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    Computer Science Unplugged
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    In this puzzle, learners investigate the decisions involved in linking a network between houses in a muddy city. It can lead on to a discussion of minimal spanning tree algorithms for optimizing...

    1 cent - $1 per student Ages 8 - 18 30 to 45 minutes
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    Computer Science Unplugged
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    In this activity about computer programming, learners follow instructions in a variety of ways in order to successfully draw figures. Through these exercises, learners will experience some of the...

    1 cent - $1 per group Ages 6 - 18 45 to 60 minutes

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