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Vocabulary
Structure of the Earth
Continental Drift Theory
Plate Tectonics
100
The thinnest layer of the Earth in the compound model
What is the crust
100

There are ______________ main layers of the Earth in the physical model

What is four

100
Theory that states continents are moving apart (broke up from one super continent)
What is the theory of continental drift
100

Earthquakes and Volcanoes are usually located close to these (where the plates meet)

What is a plate boundary

200
A number of rigid, but moving, pieces of Earth's surface that is made up of lithosphere
What is tectonic plates.
200

The thickest layer of the Earth in the compound model.

What is the mantle?

200

_____________ came up with the theory of continental drift

What is Alfred Wegener

200

The mid-ocean ridge is an example of a ____________________ boundary. 

What is divergent boundary

300
The theory that all continents are fragments of Pangaea now drifting apart
What is the Continental Drift Theory
300

Liquid layer of the earth.

What is the outer core

300
name of super continent that existed 300 mya
what is pangaea
300
The San Andreas Fault in California is an example of a ____________________ boundary.
What is transform boundary
400
States that youngest rocks of ocean floor are at diverging 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

Crust being newer at a midocean ridge is evidence for _______________.

What is seafloor spreading

400

The location where most volcanoes are found in the pacific ocean 

what is the ring of fire

500
Although the hottest layer of the Earth, this layer is solid iron
What is the inner core
500

When an oceanic and a continental plate converge, the oceanic plate sinks because it is more _____.

What is dense?

500
Continental Drift Theory used these for its evidence
What is fossil evidence; how the plates fit together; glacier deposits on warm areas, etc
500

landforms created on oceanic-oceanic converging boundary

what is trench & underwater volcanoes