Elenco Snap Circuits® Home Learning - Manual (Page 20)

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Materials List
1 3-Snap Wire
1 Battery Holder (B1)
1 Lamp (L1)
1 Press Switch (S2)
Build the circuit as shown.
You can send a message to your partner using Morse code shown in the box above. At first you should only use the letters from
a to z and the numbers. Morse code is a series of dots and dashes representing the letters of the alphabet. A telegraph sends
messages with sound signals. Your sender uses light instead. If you only hold down the press switch for a short time, you get a
"dot". If you hold the switch down for a longer time you get a "dash".
Using the code, write a sentence to send to your partner. Remember to pause between words. Since your partner is new to
decoding Morse code, try to send your message slowly so your partner has time to write it down. After your partner decodes
your message, your partner will write a message to send to you to decode.
How does a telegraph work? _____________________________________________________________________________
How is your telegraph similar to an actual telegraph? __________________________________________________________
How is it different? _____________________________________________________________________________________
Why were telegraphs important in the past? __________________________________________________________________
Why are telegraphs less important today? ___________________________________________________________________
Name two devices used for communication over great distances. ________________________________________________
Morse Code:
Activity 9
Morse Code