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Vocabulary
Structure of the Earth
Continental Drift Theory
Plate Tectonics
Miscellaneous
100
The thinnest layer of the Earth
What is the crust
100
There are ______________ main layers of the Earth.
What is four
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 of matching animal fossils from two separate continents _____________________ and _____________________
What is Africa and South America
200

The San Andreas fault is an example of this type of plate boundary. 

What is a transform boundary. 

200

This plate boundary is responsible for forming the Mid-Atlantic Ridge. 

What is a divergent plate boundary. 

300
The theory that all continents are fragments of Pangaea now drifting apart
What is the Continental Drift Theory
300
Plates float on top of the _______________________.
What is the asthenosphere
300
The location where tectonic plates meet. 

What are plate boundaries. 

300
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
300
_________________ are a result from the build up of stress at a plate boundary.
What is earthquakes
400

The number of major tectonic plates. 

What is 7. 

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
Pangaea existed this many millions of years ago
What is around 250 million years ago
400

The type of currents in the mantle that cause tectonic plates to move.

What are convection currents. 

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 three types of plate boundaries. 

What is convergent, divergent, and transform. 

500

Name another piece of evidence besides fossils that prove Pangea existed. 

What is continents fit like puzzle pieces OR similar rock layers and patterns on different continents. 

500
The two types of convergent boundaries
What is subduction (where volcanoes often occur) and collision (where mountains are usually formed)
500

The three types of stress. 

What are Compression, Tension, Shearing