Tectonic Plates Flashcards
(6 cards)
1
Q
What are plate tectonics?
A
Plate Tectonics is the modern theory that explains the formation, movement, and subduction of Earth’s plates
2
Q
How do plates move?
A
Because of convection currents in the mantle (Asthenosphere)
3
Q
How do we find mid-ocean ridges?
A
Using information from sonar
4
Q
What does the Ring of Fire show?
A
Boundaries of tectonic plates
5
Q
How many major plates are there?
A
7
6
Q
What are hot spots?
A
An area in the mantle from which heat rises from deep within the Earth. The magma rises through the cracks in the lithosphere and erupts to form volcanoes
