Students describe how the Phoenicians, Greeks and Romans passed down the alphabet through the generations. They compare and contrast the letters from early alphabets to the one of today and discuss how they are different. Using a map,...

Students explore different codes and ciphers including Morse Code, Egyptian Hieroglyphs, and the Alphabet. They discuss how and why codes are used. Students create their own code and message to exchange with classmates.

Students compare rates to altitude. They conduct a class discussion about the results.