Show:
Vocabulary
Structure of the Earth
Continental Drift Theory
Plate Tectonics
Miscellaneous
100
The thinnest layer of the Earth
What is the crust
100

What are main layers of the Earth.

What is Crust, Mantle, and Inner and Outer Core 


100
Created the Continental Drift Theory
Who is Alfred Wegener
100
Earthquakes and Volcanoes are usually located in relation to these
What is a plate boundary
100
The Himalayan mountains are the result of a ___________________________ boundary.
What is convergent boundary
200
A number of rigid, but moving, pieces of Earth's surface
What is tectonic plates.
200
The thickest layer of the Earth
What is the mantle.
200

Evidence used to support the Theory of Continental Drift 

What is the location of Fossils, They fit like puzzle pieces, and Climate

200
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
200

Location of the convection currents 

What is the Asthenosphere or what is the middle mantle 

300

The theory that the earth is broken up in to lithospheric plates and are being moved because of convectional mantle. 

What is the Theory of Plate Tectonics 

300
Plates float on top of the _______________________.
What is the asthenosphere
300
Evidence of tropical plants were found on this continent
What is Antarctica
300

Name the Boundary that create trenches 

What is divergent

300
_________________ are a result from the build up of stress at a plate boundary.
What is earthquakes
400
States that youngest rocks of ocean floor are at divergin boundaries, moving outward
What is seafloor spreading
400
The rigid part of the Earth including the crust and the upper mantle (makes up the plates of the Earth)
What is the lithosphere
400

Name of the Super Continent

What is Pangea 

400
This is the mechanism (what causes) the plates to move
What is convection cycles in the mantle
400
The San Andreas Fault in California is an example of a ____________________ boundary.
What is a transform boundary
500
Although the hottest layer of the Earth, this layer is solid metal
What is the inner core
500
The Earth's crust is thinnest under the _____________________ and thickest under the _____________________.
What is thinnest under the ocean and thickest under the continents.
500
Continental Drift Theory was not accepted because it did not explain this
What is how the continents moved
500
The two types of convergent boundaries
What is subduction (where volcanoes often occur) and collision (where mountains are usually formed)
500

This is created when two Continental crust collide 

What is trenches and volcanoes