TV on a Rolling Cart

Telegraph Line

From Schoolhouse Rock! · 1979

Telegraph Line
3 min2nd3rd4th5thScienceHealth
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Summary

Using a telegraph as a metaphor, the song explains the nervous system - how nerves carry messages between the brain and the body at lightning speed.

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All ages
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Teaching resources

Discussion questions

Discussion

Using a telegraph as a metaphor, the song explains the nervous system - how nerves carry messages between the brain and the body at lightning speed..

  1. How is the nervous system like a telegraph line?
  2. What does your brain do with the messages it gets?
  3. Why do signals need to travel so fast?

Quick work-a-long

Vocabulary: nerve, brain, signal.

Try it: Trace how a message travels from a hot stove to your hand pulling back.