This test effectively assesses student knowledge on the topics of buoyancy, fluid & gas molecules, the relationship between buoyancy and density, Rene Descarte's Cartesian Diver, and Pascal's Law. The test uses true/false, multiple choice, and short response questions which range from simple recall questions to more complex critical thinking questions and can be used for face to face instruction as well as virtual instruction. A STEAM Issue question has been added to this test since it is su