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From the Internet to Outer Space
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In this activity, learners will use Google Sky to observe features of the night sky and share their observations.
Public Key Encryption: Kid Krypto
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In this activity, learners conduct a simulation exercise related to public key encryption and try to intercept a message sent between two learners.
Battleships: Searching Algorithms
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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.
Divide and Conquer: Santa's Dirty Socks
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This 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 about to deli
Passion for Pixels
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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.
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.
EEEEK--A Mouse!
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In this activity, learners explore the concept of how engineering solved the problem of human/computer interface.
Program a Friend
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In this activity (on page 2), one person "programs" the other like a robot to move through a space, trying to get them to avoid obstacles and reach a goal.
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.
Cipher Wheel
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In this activity, learners make their own encrypted code to pass along secret messages using a printable cipher wheel.
Phylogenetics
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This 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.
The Turing Test: Conversations with Computers
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This activity aims to stimulate discussion on the question of whether computers can exhibit “intelligence,” or are ever likely to do so in the future.
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
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
Ice Roads: Steiner Trees
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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.
Information Hiding: Sharing Secrets
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This activity about cryptographic techniques illustrates a situation where information is shared, and yet none of it is revealed.
Hand Biometrics Technology
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In this activity, learners explore how engineers incorporate biometric technologies into products as well as the challenges of engineers who must weigh privacy, security and other issues when designin