Continental Drift
What is the idea of continents slowly moving apart?
Continental Drift.
What are the three compositional zones of the earth>
Crust, Mantle,and Core
What are the two kinds of crust on the earth?
Oceanic and Continental crusts.
What is the process of two oceanic plate diverging?
Sea-floor spreading
Who was the German scientist that hypothesized that the continents moved over time?
Alfred Wegener
What is the earth's core mostly made of?
Iron and Nickle
What happens at transform boundaries?
Earthquakes.
What kind of crust is found near a ridge?
Thin crust.
What two modern day continents look like they fit together?
Africa and South America
What is responsible of earth's magnetic field?
Earth's outer core
What two things form at divergent boundaries in the ocean?
Mid-ocean ridges and volcanoes.
Are rocks near the shore older or younger than the rock found near ridges?
Older
What are three kinds of evidence that support the idea of continental drift?
Fossil evidence, Rock evidence, and Climate evidence.
What are the five structural zones of the earth?
Lithosphere, Asthenosphere, Mesosphere, Outer core, and Inner core.
What happens when two continental plates converge?
Mountains form.
What are the times when earth's magnetic poles move to opposite places?
Magnetic reversals.