Vocabulary
The thinnest layer of the Earth
What is the Crust?
There are ______________ main layers of the Earth. Name them as well.
What is Four? Crust, Mantle, Outer Core, and Inner Core.
Created the Continental Drift Theory
Who is Alfred Wegener?
Earthquakes and Volcanoes are usually located in relation to these
What is 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 is Tectonic Plates?
The thickest layer of the Earth
What is the Mantle?
Evidence of matching animal fossils from two separate continents _____________________ and _____________________
What is Africa and South America?
The mid-ocean ridge is an example of a ____________________ boundary and ___________________ occurs here where new ocean floor is formed.
What is Divergent Boundary; Sea-Floor Spreading?
This "Belt" around the Pacific Ocean contains 90% of the world's earthquakes.
What is the Ring of Fire?
The theory that all continents are fragments of Pangaea now drifting apart
What is the Continental Drift Theory?
Plates float on top of the _______________________ (Scientific word).
What is the Asthenosphere?
Evidence of oceanic life were found on this landform
What is Mount Everest?
Name four of the major plates
What is any of the following: North American Plate, South American Plate, Eurasian Plate, Indoaustralia plate, African Plate, Antarctica Plate?
_________________ are a result from the build up of stress at a plate boundary.
What is Earthquakes?
The phrase that states the youngest rocks of ocean floor are at divergent boundaries, moving outward (hint: it's alliteration)
What is Seafloor Spreading?
The rigid part of the Earth including the crust and the upper mantle (Scientific word)
What is the Lithosphere?
Pangaea existed this many millions of years ago
What is around 250 million years ago?
This is the mechanism (what causes) the plates to move
What is Convection Currents in the Mantle?
The San Andreas Fault in California is an example of a ____________________ boundary.
What is a Transform Boundary?
The hottest layer of the Earth, this layer iron-nickel alloy
What is the Inner Core?
The Earth's crust is thinnest under the _____________________ and thickest under the _____________________.
What is thinnest under the Ocean and thickest under the Continents?
Continental Drift Theory was not accepted because it did not explain this
What is How the Continents Moved?
The two types of convergent boundaries
What is Subduction and Collision? (where they collide normally)
This specific plate is being subducted under the South American Plate.
What is the Nazca Plate?