LANGUAGE: English GROUP: Pre-K + TIME: Less than 30 Minutes LEVEL: Easy CLEANUP: Easy RECYCLING: No
Have you ever wonder what it would be like to send a secret message to a friend that only the two of you know about? Well now you can with this secret message wheel. Computers use similar and more sophisticated methods of turning messages into different messages by encoding them (turning messages into something unreadable to humans). The practice of encoding and decoding or hiding and revealing information is called Cryptography. This technology is used in the encryption of passwords for our email accounts, bank accounts, school records and much more. But is also fun to play with it just to say "hi" to a friend in a fun new way.
3 white copy papers
Poster board or cardboard
Print the decoding wheel pattern (click here to download).
Cut the three wheels.
Paste the wheels on the cardboard.
Cut the three wheels from the cardboard (You can also paste the paper on cardboard then cut, but I am trying to save cardboard).
Make a whole on the center of each wheel.
Attach the paper fastener to the middle of each wheel (from smallest to largest).
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