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ACTIVITY: Learn Morse Code

NGSS Science and Engineering Practices:

NGSS Crosscutting Concepts:

The activity below draws from the content in the page Patterns to Transfer Information.


We can communicate with our friends and family from far away.


How do our phones send information?

Guiding Questions:

  1. How can patterns be used to transmit information?


Learn morse code and practice sending messages in different ways over a distance. 


  • Student worksheet and teacher answer key (attached below):
  • Flashlight
  • Pencil
  • Paper
  • String
  • Tin cans (x2)

Teacher Recommendations:

  • Different thicknesses of string may send signals of variable strength. You can use different strings per group and rotate, experimenting with their effectiveness. 
  • It might be beneficial to split the groups so some use the flashlight first while others are tapping or knocking (this way you donʻt have a roomful of students knocking!).


  1. Follow along on your worksheet to conduct your trials and answer questions.


Activity Questions:




Table of Contents:

Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawaii, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.