The thinnest layer of the Earth.
What is The Crust?
There are _____________ main layers of the Earth.
What is Four?
This person created the Continental Drift Theory.
Who is Alfred Wegener?
Earthquakes and Volcanoes are usually located where?
What is at a Plate Boundary?
The Himalayan mountains are the result of a ____________ boundary.
What is Convergent Boundary?
A number of rigid, but moving pieces of Earth's surface.
What are the Tectonic Plates?
The thickest layer of the Earth.
What is The Mantle?
What fossil evidence supported Wegener's drift theory?
What is finding plant fossils in Antartica?
What is finding the same fossils on different continents?
What state is the San Andreas Fault located in?
What is California?
Heat rising, cooling and sticking is part of what cycle?
What are Convection Currents?
The theory that all continents are fragments of Pangaea now drifting apart.
What is the Continental Drift Theory?
Plates float on top of the______________.
What is the Asthenosphere?
Evidence of tropical plants was found on this continent.
What is Antarctica?
What are the 3 boundaries?
What is Transform Boundary, Divergent Boundary, Convergent Boundary?
______________ are a result from the build up of stress at a transform plate boundary.
What is Earthquakes?
This theory states that the youngest rocks of the ocean floor are at divergent boundaries, moving outward.
What is Seafloor Spreading?
The rigid part of the Earth including the crust and the upper mantle (This makes up the plates of the Earth).
What is the Lithosphere?
Convergent plate boundaries form what?
What are Mountains or Volcanoes?
This is the mechanism that causes plates to move. Hint: Lava Lamps.
What are Convection Currents?
The San Andreas Fault in California is an example of what boundary?
What is a Transform Boundary?
Although the hottest layer of the Earth, this layer is solid metal
A) Mantle
B) Inner Core
C) Crust
D) Outer Core
What is the Inner Core?
How did Wegener incorrectly explain continents moving?
What is he believed they moved due to the Earth spinning?
Continental Drift Theory was not accepted because it did not explain what?
What is how the continents moved?
What is a convergent boundary called when one plate goes beneath the other?
What is Subduction?
This person used sonar to map the bottom of the ocean and discovered the mid-ocean ridge in the Atlantic Ocean.
Who is Harry Hess?