Day 2
Who Holds the Key
Predict who can read a message on its way, then test it.
Free. No login. Runs in a browser.
What students do
Five trials. In each one, predict what one watcher can see, send the message through the tube and look through the window. Then change one protection and compare.
What it adds to the lesson
Who Can Read It follows one photo through four stops. Here students change the protection themselves and watch who can read the message each time.
- Lesson
- Day 2: How Encryption Works Today
- Printed activity
- Who Can Read It
- In the game
- 5 trials · No timer
- Grades
- 9 to 12
More games in this unit: Codebreaker's Desk
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