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Computer Science Unplugged
Battleships—Searching Algorithms
How does a computer perform a search in order to find data? The lesson begins with a demonstration on finding one number out of 15. Pairs then play three games of Battleship by using different search techniques. The lesson...
Computer Science Unplugged
Codes in a Song—Modems
Let's listen to some codes. To understand how a modem sends binary numbers over a phone line, class member listen to the codes included in the provided mp3 files, translates the tones to binary numbers and then convert the...
Teach Engineering
Lighting in My Classroom Survey
How much energy does it take to light a room? Class members calculate the total wattage it takes to light the classroom. Through calculations, responsible scientists determine the cost of energy for the year, then figure out...
Computer Science Unplugged
Card Flip Magic—Error Detection and Correction
I can find the error in an array of cards? After watching a demonstration class members search for the error is the provided cards. The resource provides a real-life example of using ISBN numbers in error detection and using check...
Curated OER
Creating and Designing a Database of Class Library Books
Students are shown how to create their own database using different field types. They are taugt how to design their own layout-chaning font or size and color of text, adding background color and clipart. Students interrogate their...
Curated OER
Up in Smoke
Students use PowerPoint, Internet research, scanners and desktop publishing to create a multimedia presentation on the dangers of smoking.