Rock Layers Exit Ticket: Name:_____________________ 1) What is uniformitarianism and how do scientists use it to make predictions about the past? 2) If a geologist notices the position of an unusual rock layer in a sequence of layers, then finds the same unusual layer somewhere else, what can they assume about that layer? Rock Layers Exit Ticket: Name:_____________________ 1) What is uniformitarianism and how do scientists use it to make predictions about the past? 2) If a geologist notices the position of an unusual rock layer in a sequence of layers, then finds the same unusual layer somewhere else, what can they assume about that layer?