Use The Earth Quiz to test your knowledge of the geologic timescale of the earth and the structure and composition of our intriguing planet. This quiz will also test your knowledge of the theory of plate tectonics and about uplifting, folding, faulting, and volcanism, the processes by which rocks are formed, the Precambrian, Paleozoic, Mesozoic, and Cenozoic eras, the Ice Age, and the beginnings of humankind.
