Vocabulary
Structure of the Earth
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
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

The mid-ocean ridge is an example of a ____________________ boundary and ___________________ is created here where new ocean floor is formed.

What is divergent boundary; new crust

200

Hot air or liquid is less ________________ than cool air or liquid

What is dense

300

The theory that all continents were once formed together into this landmass

What is Pangea

300

Plates float on top of the _______________________.

What is the mantle

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

States that ridges are created when plates move like this

What is divergent

400

This is known as lava on the surface but when its underground it is known as

What is magma

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 heaviest crust _____________________ and lightest is the _____________________.

What is oceanic/continental

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

When oceanic plates converge together, this goes under the other

what is oceanic

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