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The Poor Cartographer: Graph Coloring
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In this activity, learners help a poor cartographer color in the countries on a map, making sure each country is colored a different color than any of its neighbors.
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Programming Languages: Harold the Robot
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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, and how their
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Programming Languages: Marching Orders
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In this activity about computer programming, learners follow instructions in a variety of ways in order to successfully draw figures.
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Treasure Hunt: Finite-State Automata
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.
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Sound Representation: Modems Unplugged
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In this activity, learners listen to songs and decode hidden messages based on the same principle as a modem. As a final challenge, learners decode the binary messages in a music video.
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Human Interface Design: The Chocolate Factory
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In this activity about human interface design issues, learners help the Oompa-Loompas of a great chocolate factory solve different problems.
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The Muddy City: Minimal Spanning Trees
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In this puzzle, learners investigate the decisions involved in linking a network between houses in a muddy city.
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Cryptographic Protocols: The Peruvian Coin Flip
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This activity about cryptographic techniques illustrates how to accomplish a simple, but nevertheless seemingly impossible task—making a fair, random choice by flipping a coin between two people who d
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Artificial Intelligence: The Intelligent Piece of Paper
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This 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 writ