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Crucigrama Sopa de Letras Hoja de Trabajo
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Science: Weekly #12 Crossword Puzzle

Horizontales
Series of devices that connect together to accomplish a task
Extra energy added to make up for what will be lost as heat
Invented the telephone
A device that is able to convert sound into electrical pulses
Verticales
Wireless speaker
Cam travel long distances, even in space
Famous for uniting two countries