Suitable for year 9/10/11 (could be tweaked to be suitable for year 7 and 8) The aim of this lesson is to come to a decision as to whether or not NASA should spend $3 billion investing in their hypothetical cooling method of Yellowstone volcano. Before pupils answer this question, the lesson takes them on a journey to explore: what a super volcano is How likely a Yellowstone eruption is The potential (worst case scenario) impacts of an eruption This is an exciting lesson with plenty of opportunity for discussion and evaluation. It will really challenge the thinking of pupils!