
Mathematics 

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Codebreakers
Conduct a debate with students about whether it is ever acceptable to read another person's mail or listen to a private conversation...
Decoding Nazi Secrets
Discuss the meanings of codes and ciphers using the information presented...
Infinite Secrets
Archimedes made a number of mathematical and scientific discoveries in his lifetime. As they watch, have students take notes on Archimedes' key discoveries...
Newton's Dark Secrets
Ask students what they know about Sir Isaac Newton. List student answers on the board. Where and when did he live? What did he do? What is he most known for?...
NOVA scienceNOW: Emergence
Identify animals that live or travel in groups...
NOVA scienceNOW: Kryptos
Define "code" and brainstorm some acronyms and abbreviations, which are simple codes...
Proof, The
Let students explore the equation xn + yn = zn by substituting different values for n...
Secrets, Lies, and Atomic Spies
To help students understand the program, review the following terms with them: code, cipher, plain text, base code, encoded message...
Time Travel
Have students debate this quote from physicist Stephen Hawking: "Time travel might be possible, but if that's the case why haven't we been overrun by tourists from the future?"...
