The Changing Earth. Early on, it was recognized that the layers in geological strata represent periods in the earths history and contain fossils of organisms.
3:48 AM Plate Tectonics. 3:48 AM Plate Tectonics.
Evidence for Movement of Continents. Biggest obstacles to acceptance You can not see the continent move You can not feel the motion of the continent Yet.
Bernard Brunhes Discovered rocks in France in 1906 with reversed magnetic polarity.
PLATE TECTONICS Hypothesis: Earth’s Lithosphere moves on top of Aesthenosphere due to Mantle Convection Evidence of Lithospheric (Plate) motions (Tectonics)
Plate Tectonics The Driving Force of Earthquakes.
Chapter 1 Section 3. The Theory of Continental Drift, pg. 29 In 1910 a German scientist named Alfred Wegener formed a hypothesis that the Earth’s continents.
Earth in Motion. Principle of Uniformitarianism: Processes observable and measurable today have created all the geological features, over long periods.
Looking at Understanding. What does it mean for this student to really understand Earth Science?
Think of something that humans used to believe but that they no longer hold to be true. (an opinion or “fact”) e.g.-flat earth -animal machines -alchemy.
