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Electric Messages: Then and Now

Lesson Focus 
Lesson focuses on exploring electric message systems, from light signals using International Morse Code to text messaging. Students construct a simple telegraph using a battery, wires, a switch, and bulb, and explore the impact of communications on society.

Age Levels:

8 - 14
Objectives 


  • Learn about electrical based communications.
  • Learn about the Morse Code system.
  • Learn about wiring, switches, and simple circuits.
  • Learn about teamwork and problem solving.
  • Learn about the history of communication and its impact on world events.
Anticipated Learner Outcomes 

As a result of this activity, students should develop an understanding of:


  • electrical communications
  • audio and visual applications of International Morse Code
  • electrical wiring, simple switches
  • teamwork

Lesson Activities

Students learn about how to send Morse Code through electrical simple switches which they construct from batteries, wires, and a bulb. They explore the impact of electrical communications on society and therefore the value that engineers add to our world.

Resources/Materials 


  • Teacher Resource Documents (attached)
  • Student Resource Sheet (attached)
  • Student Worksheet (attached)

Alignment to Curriculum Frameworks

Curriculum alignment sheet is included in PDF.


Alignment to Curriculum Frameworks
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