The document describes activities to teach students about the process of communication. In the first activity, students are divided into groups and must whisper a paragraph from the back to the front of the line. The second activity has students diagram how the paragraph was transmitted. The third is a worksheet activity involving finding hidden words. Finally, students role-play scenarios involving communicating an emergency. Key elements of communication discussed are the source, message, encoding, channels, receiver, decoding, feedback, context, and barriers.