Morse Code Detectives Activity - Fizzics Education


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Morse code detective

Morse code detective

Follow FizzicsEd 150 Science Experiments:

You will need:

  • One Torch
  • A friend!



Use the international Morse code pictured to send you own coded messages with a torch.

2 Create coloured shadows science experiment - red cellophane over a torch

Use ‘long flashes’ and short flashes of light to represent the dots and dashes as per the table. Or perhaps decode knocking on the opposite side of a wall; your call!

3 Creating sparks on a Van de Graf generator
4 Teacher showing how to do an experiment outside to a group of kids.

Online courses for teachers & parents

– Help students learn how science really works

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Why Does This Happen:

Codes have been used since ancient times to send messages over long distances or encrypt messages so
others cannot understand their content.

Morse code was originally developed as a method of standardising communication on Samuel Morse’s electric telegraph in the mid 1830’s. It has changed a number of times over the years to what is now known as the International Morse Code.

Codes have been especially predominant in wartime. Check out the following information on the German Enigma Machine that was essential for communication between German commanders in World War 2.

Codes are extremely important in computer programmes as well… what you’re using right now!

Learn more!

From volume and length through to statistics and trigonometry, the Working Mathematically workshop has your mathematics enrichment covered!

Get in touch with FizzicsEd to find out how we can work with your class.


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