Plate tectonics Flashcards
Who came up with the theory of plate tectonics?
Alfred Wegener
How do the shape of the continents support the theory of plate tectonics?
Some major continents if were placed next to each other would join up perfectly e.g) South America and Africa.
How does the sea floor spreading support the theory of plate tectonics?
It suggest that the tectonic plates are moving.
How does dating rocks support the theory of plate tectonics?
Some rocks may have been connected before and we know from how old the rocks are.
How do rocks and fossils support the theory of plate tectonics?
Fossils of the same species if animals were found in completely different continent. This suggests that these continents used to be connected.
What are all the layers of earth:
Crust, Mantle, Liquid outer core, Solid inner core