This is the fourth of five classroom Science lessons for upper primary school students. It is a case study of history's most disastrous volcanic eruptions. The product contains printable PDFs and complete answer sheets for teachers. With this resource, students will look forward to Science classes and teachers will become scientific geniuses without the use of expensive laboratory equipment. Each of the five lessons takes one hour to complete and the final assessment task and associated criteria (constructing and erupting a volcano) complies with Australian curriculum. The Volcano Science unit is a delight for hands-on students, scientifically-minded students, creative students and students who love to perform.