Layers of the Earth
What elements are in the Outer Core? Is it liquid or solid?
Liquid iron and nickel
2 types of crust
Continental and Oceanic Crust
Name 2 pieces of evidence that support the Continental Drift Theory.
Continental fit
Fossil correlation
Rock and mountain matches
Past climate data
How hot is the Inner Core? What is its state of matter?
Solid, as hot as the sun.
Who was the scientist that came up with the Continental Drift Theory?
(Afred) Wegener
Why was the Continental Drift Theory rejected?
Other scientists were against the theory.
Not an inclusive list:
Crust: thin outer layer, coolest layer
Mantle: thickest layer, thick honey texture
Outer core: liquid iron and nickle, 4000-5500 degrees celcius
Inner core: liquid iron and nickle ball, 5000-600 degrees celcius
What does the Continental Drift Theoy suggest?
Continents are moving and/or
All continents were once joined together to make a supercontinent called Pangea.
Name 1 example of how past climate data supports the Continental Drift Theory.
Tropical coal was found underground in cold climates.
Evidence of past glacier movement in hot, humid rainforests.