Big History: The Big Bang, Life on Earth, and the Rise of Humanity

Bryson, A Short History of Nearly Everything, chap. 12.

Macdougall, A Short History of Planet Earth.

1. What evidence did Wegener have for his idea of continental drift, and
   why was his idea rejected in the 1920s?


2. What are the main differences between Wegener’s idea and the modern
   theory of plate tectonics?

Supplementary Reading

Questions to Consider