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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 methods for finding information in data: linear searching, binary searching and hashing. It also includes an optional introductory activity as well as a video showing a fun demonstration related to the same content.

Subject:: Computer Science; Engineering; Education; Mathematics; Geometry
Material Type:: Activity/Lab; Game; Lesson Plan; Simulation
Provider:: Computer Science Unplugged; Science and Math Informal Learning Educators (SMILE)
Provider Set:: Computer Science Unplugged; SMILE Pathway: Science and Math Activities in One Search
Author:: Brian Mason Scientific and Technical Trust; Computer Science Unplugged; Google Inc.; Ian Witten; Jane McKenzie; Mike Fellows; Robyn Adams; Tim Bell
Date Added:: 01/02/2002

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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. Groups of learners (at least 10) repeat a secret message (five to seven similar-sounding words) like the game "Telephone". In this version of the game, however, learners write and then code what they hear, creating a model of a phylogenetic tree and using a species distance matrix. This resource includes background information about phylogenetic trees, maximum parsimony, and matrix theory (see page 6-7 of PDF).

Subject:: Computer Science; Engineering; Information Science; Education; Life Science; Mathematics; Anthropology
Material Type:: Activity/Lab; Game; Lesson Plan
Provider:: Computer Science Unplugged; Science and Math Informal Learning Educators (SMILE)
Provider Set:: Computer Science Unplugged; SMILE Pathway: Science and Math Activities in One Search
Author:: Brian Mason Scientific and Technical Trust; Computer Science Unplugged; Google Inc.; Jim Becker; Katrin Becker; Truman State University
Date Added:: 01/02/2005

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Programming Languages

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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 instructions are taken literally. This activity will simulate how computers follow instructions very precisely, which can be frustrating at times. This activity also helps learners understand instruction set size (large complex vs. small efficient).

Subject:: Computer Science; Engineering; Education; Life Science; Anthropology
Material Type:: Activity/Lab; Lesson Plan; Simulation
Provider:: Computer Science Unplugged; Science and Math Informal Learning Educators (SMILE)
Provider Set:: Computer Science Unplugged; SMILE Pathway: Science and Math Activities in One Search
Author:: Brian Mason Scientific and Technical Trust; Computer Science Unplugged; Google Inc.; Jason Clutterbuck; Richard Nelson; Sebastian Hhna; Sebastian Hí_hna; Stefan Marks; Wilson Siringoringo
Date Added:: 01/02/2008

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Strong-Arm Tactics

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Students generally do not know the complexity that goes into building and programming a robotic arm. In actuality, creating such an arm comes from a design that involves mechanical, electrical, and computer science engineers. This activity allows students to control a robotic arm from both a machine's and a computer science engineer's perspective by letting them perform a simple task with a few entertaining instructions and constraints.

Subject:: Computer Science; Engineering
Material Type:: Activity/Lab; Lesson Plan
Provider:: TeachEngineering
Provider Set:: TeachEngineering
Author:: Chris Yakacki; Daria Kotys-Schwartz; Geoffrey Hill; Janet Yowell; Malinda Schaefer Zarske
Date Added:: 09/26/2008

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