Task 3: Option 2

Morse code is a letter encoding system to send messages over early telegraph and radio systems, but it can also be used with signal lamps. It uses combinations of short and long pulses to define each alpha-numeric character.

Working in pairs, year 6 students could use torches to flash codes to each other using the Morse characters. Each student will need a lookup table, so they know what the codes are. Each student should try both encoding and decoding (decoding is much harder).

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