You may want to print out and make copies of these resources that students will read in the lesson if your students don't have access to computers with Internet access: 1  The Greek Concept of Atomos: The Indivisible Atom. 2  The Atomists: Leucippus of Miletus and Democritus of Abdera. 3  Democritus of Abdera.
continental drift definition. A term, no longer used by geologists, that refers to the fact that continents are not stationary, but move across the Earth's surface. Continental drift is one feature of the modern theory of plate tectonics. (See Pangaea.)
Continental drift was a theory proposed in 1912 by Alfred Wegener which postulated the movement of continents.This theory is a part of the concept of plate tectonics. Continents have been drifting for hundreds of millions of years.ontinental drift was a theory proposed in 1912 by Alfred Wegener which postulated the movement of continents.