In this ESL lesson plan for adults and teens, students watch a video and do a listening exercise about a thought experiment on happiness. It includes discussion questions and conversation activities about a happy life. Students also learn some important vocabulary terms related to this topic. The grammar exercise features the first conditional. In the cooperation activity students can talk about philosophical thought experiments.

A professor demonstrates a thought experiment on life and happiness to a class of college students during a Philosophy 101 course. All it takes is a jar, golf balls, pebbles, sand, and yes, beer. This video explores the nature of happiness and what it means.