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Showing results 21 to 40 of 119
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Tourist Town: Dominating Sets
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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 connected to one
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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.
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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.
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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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Card Flip Magic: Error Detection & Correction
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This magic trick is based on how computers detect and correct data errors.
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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.
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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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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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EEEEK--A Mouse!
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In this activity, learners explore the concept of how engineering solved the problem of human/computer interface.
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Arduino Blink Challenge
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In this activity, learners explore computer programming and the impact of computers on society. Learners build and test a program to turn a light on and off using an Arduino board.
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Beat the Clock: Sorting Networks
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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.
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Color by Numbers: Image Representation
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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.
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Pico Cricket (Tiny Computer) Activity Ideas
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This is a web page that helps informal educators brainstorm on how to use a Pico Cricket (tiny computer) in an informal activity.
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How Much is a Name Worth?
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In this math lesson, learners use simple addition facts to compute values (in dollars and cents) for their names.
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Count the Dots: Binary Numbers
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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.
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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.
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Screen Time
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This game asks you a series of questions about how much time you spend in front of a screen, not being active.
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Pico Cricket Compass
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Learners can program a compass to draw a circle by itself using a Pico Cricket, some Legos, and lots of tape! Pico Cricket is required.
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Patterns in Pixels
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This activity (page 2) draws upon a familiar, computer-based concept related to visual resolution: pixilation.