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ALEX Lesson Plan Resources
ALEX Lesson Plans
Subject:
Science (4)
Title:
Secret Messages
Description:
In this lesson, students will explore the practice of hiding secret messages within text or data known as steganography. Students will compare advantages and disadvantages of different techniques of steganography. Students will create their own secret code to communicate with each other. Students will create a digital form of steganography with their group. This lesson results from a collaboration between the Alabama State Department of Education and ASTA.
Subject:
Science (4)
Title:
Cracking the Code
Description:
Codes are used to transmit messages. We may use codes to keep our messages secret from people who do not know the code, or we may use them to change one type of information into another. The key to decoding a message is knowing the rule to crack the code. In this lesson, students will explore different types of codes, create coded messages, and apply rules to decode messages. This lesson provides the background needed for students to then develop their own method for transferring information. This lesson results from a collaboration between the Alabama State Department of Education and ASTA.
