Intonation in Practice is a simple exercise which you can do with almost any class to help them understand what intonation is and how it works in English. It’s easily adaptable to all learner levels and abilities.
Explain that in English you have to give stress (or emphasis) to certain words to deliver certain meanings. Go through a brain storming session to elicit some of the feelings we can convey through the appropriate intonation: disappointment, excitement, anger…