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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
He created the Theory of Continental Drift
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
These are the three pieces of evidence Wegener offered for continental drift
what is fossil records, land masses, and the continents fitting together like a jigsaw
200
What do we see when we plot the coordinates of earthquakes
What is plate boundaries? (or the plates)
200
Hot air or liquid is less ________________ than cool air or liquide
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 asthenosphere
300
This was the question about Continental Drift that Wegener could NOT answer
What is moving the plates?
300
_________________ are a result from the build up of stress at a plate boundary.
What is earthquakes
400
the movement of heat through a gas or liquid
what is convection
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
What fuels convection in the earth?
What is the core
400
This is the mechanism (what causes) the plates to move... make sure you include where it is happening
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
the circling current of a gas or liquid cased by convection
What is a convection cell
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
In our convection jar model, this is the layer of the earth represented by the candle
What is the core
500
The two types of convergent boundaries
What is subduction (where volcanoes often occur) and collision (where mountains are usually formed)
500
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!