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Science Starter What is an index fossil? What is an example of an organism that is an index fossil? TURN IN YOUR UNUSED BATHROOM PASSES BY THIS FRIDAY FOR EXTRA CREDIT Science Starter An index fossil is an organisms that lived during a relatively short, well-defined geologic time span AND are found in rock layers throughout the world Trilobites and ammonites are examples of index fossils TURN IN YOUR UNUSED BATHROOM PASSES BY THIS FRIDAY FOR EXTRA CREDIT Continental Drift 8th Grade Science: Ms. Dale Read pages 136-140 and fill out the Drifting Continents WS Continental Drift and Alfred Wegener https://www.youtube.com/watch? v=_5q8hzF9VVE&spfreload=10 Notes Interactive We will cut and glue these onto blank paper in our notebook. Please look at the example in front of the class. Alfred Wegener German meteorologist and geophysicist who developed the continental drift theory He proposed the theory in 1915 Wegener used four pieces of evidence to support his theory The Continental Drift Theory A theory that states that parts of the Earth’s crust drift atop a liquid core (conduction currents in the mantel) Pangea Is a gigantic supercontinent that existed 200 million years ago. Means “all earth” in Greek Evidence In Favor of the Continental Drift Theory 1. Continents fit together like a puzzle 4 2. The same fossils were found where pieces fit together (fossil correlation) 3. Similar landforms found on each continent (rock and mountain correlation) 4. Past climate data Continents Fit Together Like A Puzzle Fossil Correlation Rock and Mountain Correlation Past Climate Data Bituminous coal are fossil fuels found in tropical areas, but we find it in Antarctica which is evidence of a past tropical climate. Read Pages 200-203 and complete the Volcanoes and Plate Tectonics Worksheet