1. Decoding Nazi Secrets: A Simple Cipher

Source: NOVA

Describe the difference between "code" and "cipher" and decipher a simple encrypted message.

Grade Level: 6-8, 9-12

Subjects: Math, Social Studies

Topics: Functions and Algebra. Problem Solving. World History: 1900-1945. World History: 1945-1990.

Resource Type: Interactive/Online Activity

2. Hieroglyphs: Say What?

Source: NOVA

Examine the history and construction of hieroglyphics and decipher a simple hieroglyph.

Grade Level: 6-8, 9-12

Subjects: Math, Social Studies

Topics: Functions and Algebra. Problem Solving. Anthropology/Cultures. World History: 4000-1000 BCE.

Resource Type: Interactive/Online Activity

3. NOVA scienceNOW - Kryptos: Cryptography 101

Source: NOVA

Learn about different ways to encode messages with this interactive. Explore examples of substitution ciphers and two transposition ciphers.

Grade Level: 6-8, 9-12

Subjects: Math

Topics: Functions and Algebra. Problem Solving.

Resource Type: Interactive/Online Activity

4. NOVA scienceNOW - Kryptos: Send a Secret Message

Source: NOVA

Use this automatic encoder to write a note, encode it and send it to a friend for decoding. Put an encoded message into the interactive to have it automatically decoded.

Grade Level: 3-5, 6-8

Subjects: Math

Topics: Patterns and Algebraic Thinking. Problem Solving. Functions and Algebra.

Resource Type: Interactive/Online Activity

5. Secrets, Lies and Atomic Spies: Decipher A Coded Message

Source: NOVA

Describe the difference between "code" and "cipher" and decipher a simple encrypted message.

Grade Level: 6-8, 9-12

Subjects: Math, Social Studies

Topics: Functions and Algebra. Problem Solving. World History: 1900-1945. World History: 1945-1990.

Resource Type: Interactive/Online Activity

6. Send A Coded Message: Hot Science

Source: NOVA

Investigate how the Enigma enciphering machine deciphers encrypted messages and decipher a message using a virtual Enigma.

Grade Level: 6-8, 9-12

Subjects: Math, Social Studies

Topics: Functions and Algebra. Problem Solving. Technology and Civilization. World History: 1900-1945. World History: 1945-1990.

Resource Type: Interactive/Online Activity

7. The Proof: Pythagorean Puzzle

Source: NOVA

Investigate how the Pythagorean theorem works to define the relationship between the three sides of a right triangle and explore how the theorem is used in different situations.

Grade Level: 6-8, 9-12

Subjects: Math

Topics: Functions and Algebra. Geometry and Spatial Sense.

Resource Type: Interactive/Online Activity