There are ______________ main layers of the Earth in the physical model
What is four
Earthquakes and Volcanoes are usually located close to these (where the plates meet)
What is a plate boundary
The thickest layer of the Earth in the compound model.
What is the mantle?
_____________ came up with the theory of continental drift
What is Alfred Wegener
The mid-ocean ridge is an example of a ____________________ boundary.
What is divergent boundary
Liquid layer of the earth.
What is the outer core
Crust being newer at a midocean ridge is evidence for _______________.
What is seafloor spreading
The location where most volcanoes are found in the pacific ocean
what is the ring of fire
When an oceanic and a continental plate converge, the oceanic plate sinks because it is more _____.
What is dense?
landforms created on oceanic-oceanic converging boundary
what is trench & underwater volcanoes