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12 Cards in this Set

  • Front
  • Back
telecast
A broadcast by television
teleconference
A meeting at which people see and talk to each other using long-distant devices
telegraph
An tool invented by Samuel Morse using electricity going through wires to send messages over distances
telemarketing
Selling by telephone
telescope
An instrument for making distant objects look bigger and closer
astronaut
A person that travels in space
astronomical
Extremely huge OR related to astronomy
astronomy
A kind of science for the study of space
microscope
A tool to see extremely small things
periscope
An instrument in a submarine to see up and over things
kaleidoscope
A tube to see changing patterns
ophthalmoscope
A tool that eye doctors use to see the inside of the eye