In Class this week we’ve been learning about the the different types of rocks, the rock cycle, and the methods scientists use to classify rocks. Towards the end of the week they participated in a series of experiments to test and record the hardness, reactivity, and buoyancy of various rock samples before making predictions about the type of rock (igneous, sedimentary, metamorphic) each sample was.  Here are a few photos showing these busy scientists at work: