Vocabulary
Earthquakes
Volcanoes
Plate Tectonics
Miscellaneous
100
The thinnest layer of the Earth
What is the crust
100

This type of deformation is not permanent and goes away when the stress is removed.

What is Elastic Deformation

100

The process that forms the volcanic activity in Yellowstone

What is Hot Spot

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 first type of waves formed by an earthquake

What is P waves.

200

Two types of volcanoes are ________ and ________, which are classified by the type of flow.

What is quiescent and explosive.

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

This is the term to explain the deformation of rock due to stress.

What is strain

300
Released by a volcano, causing toxic fumes, loud popping noises, and kinetic energy.

What is dissolved gasses

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 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

Term used to describe the resistance to flow.

What is viscosity

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

Oceanic crust is thinner or thicker than continental crust?

What is thinnest 

500

Magma composition type found in most of the ocean floor and Hawaii. It is dark grey to black in color due to low silica content. 

What is basaltic.

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

This person was a co-creator of the ocean floor map, which helped scientists accept the theory of plate tectonics.

Who is Marie Tharp

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