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Information Hiding: Sharing Secrets
Computer Science UnpluggedAdd to list DetailsThis 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...
Battleships: Searching Algorithms
Computer Science UnpluggedAdd to list DetailsThis 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...
Tourist Town: Dominating Sets
Computer Science UnpluggedAdd to list DetailsIn 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...
Ice Roads: Steiner Trees
Computer Science UnpluggedAdd to list DetailsIn 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...
Beat the Clock: Sorting Networks
National Center for Women and Information Technology (NCWIT)Add to list DetailsEven 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...
Phylogenetics
Computer Science UnpluggedAdd to list DetailsThis activity lets learners participate in the process of reconstructing a phylogenetic tree and introduces them to several core bioinformatics concepts, particularly in relation to evolution....
Artificial Intelligence: The Intelligent Piece of Paper
Computer Science UnpluggedAdd to list DetailsThis activity explores what it means for a computer to be intelligent and introduces the topic of what a computer program is and how everything computers do simply involves following instructions...
Public Key Encryption: Kid Krypto
Computer Science UnpluggedAdd to list DetailsIn this activity, learners conduct a simulation exercise related to public key encryption and try to intercept a message sent between two learners. This activity works with two learners but is most...
Divide and Conquer: Santa's Dirty Socks
Computer Science UnpluggedAdd to list DetailsThis activity introduces the idea of "divide and conquer" using a fictitious but serious problem--a pair of dirty socks has accidentally been wrapped in one of the presents that Santa is...
The Orange Game: Routing and Deadlock in Networks
National Center for Women and Information Technology (NCWIT)Add to list DetailsWhen 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...