By exchanging translations within the group, they can check each other to be sure all group members understand how to use the Morse code key. Next, students can create secret messages based on any information specified by the teacher. Looks up the letters and lets the recorder know what combination of dots and dashes to use. Writes down a secret code to be given to next group for deciphering. Positions can be combined for odd numbered groups.
Messengers swap out secret codes with other groups and begin to decipher codes.
This will allow for more difficult messages to be deciphered by above average students and basic messages to be deciphered by below average students. The teacher can assign Morse code questions that once deciphered, must be correctly answered by the group. The recorder would be responsible for keeping tract of the deciphered messages and answers. Yet the numbers have a definite pattern that should be easier for most students and Navy personal to learn. E-mail transmissions use interesting electronic sounds, and some students may be able to relate to this if they have ever heard their home computer hook up to the internet before or accidentally picked up on the phone while someone was using the internet.