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Unscrambling a Secret Message

Bands: Years 5-6, 7-8

Duration: 1 hour

Can you unscramble the hidden message?

Unscramble a hidden message by figuring out missing letters in common words. This activity uses a a substitution cipher, and students can go on to create their own hidden messages. Substitution ciphers are an example of encryption, which is used when data needs to be sent securely.


Curriculum Concepts

Key concept

F-2 3-4 5-6 7-8 9-10
Digital systems

Linked resources

Cryptography:Cipher Wheels

Learn the basics of encryption through simple activities that convert plain text into simple ciphertexts.

Data encryption

Learn how data is protected using encryption.