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Mr.B's Earth Science

Pangaea, Continental Drift, Layers of the Earth

Answer
Who is the scientist that believed the Earth's continents were one giant landmass? Alfred Wegener
The idea that the continents drift apart gradually over millions of years is called? Continental Drift
Earth is also known as the _________ Planet. Water
Harry Hess, proved that rifts in the Oceanic Crust were producing new layers of crust. This process is called Seafloor Spreading
The theory of the movement of Earth's crust plates Plate Tectonics
Heat rising and falling in circular motion is called what? Convection currents
The crust floats on top of what layer in the upper mantle Asthenosphere
Earth's crust is broken into 2 parts. What are they? Lithosphere and Hydrosphere
Glossopteris ferns, cynognathus, Lystrosaurus and Mesosaurus are examples of? Index fossils
What are each of the layers of earth made of (solid, liquid, gas) Crust - solid, liquid Mantle - Solid, liquid Outer Core - liquid Inner Core - Solid
What is the inner core made out of? iron
Created by: sbobrow
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