Learners review the story of the Titanic. In this science inventions lesson, young scholars use what they learn about the Titanic to study electromagnets and the invention of the telegraph. Learners make electromagnets with batteries,...

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.

Pupils research the telegraph. In this telegraph instructional activity, students review the history of the telegraph. Pupils complete radio wave experiments. Students work in pairs to complete 3 sound exercises.