The earth Flashcards
What is the in era core like
Solid
About 5000 degrees Celsius
Contains iron and nickel
What are the layers of the earth
Mantle
Crust
Inner core
Outer core
What is the outer core like
Semi solid
about 2500 to 4000 degrees celcius
W
What is the mantle like
Liquidigied rock
Magma about 2000 to 4000 degrees celcius we
What is the crust like
Two types oceanic crust and continental crust
Oceanic is thicker than continental crust
What are the sections earth is broken into called
Plates
What was the continent called that was around millions of year ago before the plates separated
Pangaea
What is aconuection current
1 magma rises
2 as it cools it sinks
3 this cycle moves the plates on top
What is continental drift
When the plates drift apart
Who came up with the theory of continental drift
A.wegnar
How do you know that the plates were once all joined together
Fossils of the same dinosaurs wer found on different continents
What are the major plates
Eurasian Nazca Indian African Pacific North American South Africa
