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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 three

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 ___________________ 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 liquide
What is dense
300
Although the hottest layer of the Earth, this layer is solid metal
What is the inner core
300
The Earth's crust is thinnest under the _____________________ and thickest under the _____________________.
What is thinnest under the ocean and thickest under the continents.
300
The two types of convergent boundaries
What is subduction (where volcanoes often occur) and collision (where mountains are usually formed)
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 divergin 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

This is the mechanism (what causes) the plates to move

What is convection current

400
The San Andreas Fault in California is an example of a ____________________ boundary.
What is a transform boundary