Science

8th

grade

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Communication with Signals

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Sign language and written language are examples of signals used to communicate

    True

    False

  • 2. Multiple Choice
    30 seconds
    1 pt

    Before a signal is sent, it must be decoded.

    True

    False

  • 3. Multiple Choice
    30 seconds
    1 pt

    What do all signals that are used to communicate have in common?

    They all involve light waves

    They all send information

    They all use printed words

    They all use a series of sounds

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