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Crossword Word Search Worksheet
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HISTORY OF THE TELEPHONE

Claire Newbold: Claire Newbold
Across
Sends pulses, sounds, signals, or beams of some kind.
A disc used to change sound into an electrical signal.
A scientific theory that magnets can make metal stretch or shrink.
A paper filled with a patent office that presents a design for a new invention that has not yet been built.
A machine that mechanically changes electrical signals into typed words.
Down
The movement or shaking of an object, usually caused by sound or touch.
The celebration of a specific date such as a birthday or wedding.
Another word for piece of machine or equipment.
Describes a number system for recording text, images, or sound in a form that can be used on a computer.
A machine that collects pulses, sounds, signals, or beams from a transmitter.