Florida Center for Reading Research
Florida Center for Reading Research: Encoding and Decoding: Vowel Stars
A lesson plan in which students fill in the missing letter with vowels to determine which ones form real words. Materials are included.
PBS
Pbs Nova: Send a Coded Message Virtual Enigma
Explore the NOVA's Virtual Enigma machine used during WWII. You can send an encrypted message to a friend along with the special key needed to decipher the message. A link is also included to the Virtual Enigma.