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 country found at 40o N, 110o W
What is Utah?
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 matching rock types from different continents
What is evidence that Pangaea existed?
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
Hot air or liquid is less ________________ than cool air or liquid
What is dense
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 mantel
300
Evidence of tropical plants were found on this continent
What is Antarctica?
300
This ____________ boundary occurs between two continental plates and creates shallow __________ and _____________.
What is a convergent, earthquakes and non-volcanic mountains?
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 divergent boundaries, moving outward
What is seafloor spreading
400
The liquid part of the Earth. Found between the mantel and the inner core.
What is the outer core
400
Magma heats up near the core, rises and then sinks back down towards the core in a circular pattern.
What are convection currents?
400
This is the mechanism (what causes) the plates to move
What is convection currents 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
Rock recycling centers
What are subduction zones?
500
The two types of convergent boundaries
What is subduction (where volcanoes often occur) and collision (where mountains are usually formed)
500
This is the only type of boundary that has deep, intermediate and shallow earthquakes and a trench.
What is a subduction convergent boundary? (Ocean-Ocean or Ocean-Continental)