Plate Tectonics
Volcanic Activity
Mountain Building
Earthquakes
More Vocabulary
100
Boundaries
What is called where tectonic plates interact?
100
Hot molten rock and dissolved gases.
What is magma?
100
The processes that form all mountain ranges.
What is orogeny?
100
Natural vibration of the ground caused by movement from big fractures in Earth's crust.
What is an earthquake?
100
One of two plates descend beneath the other.
What is subduction?
200
Boundaries
What is it called where tectonic plates interact?
200
Fragments of rock thrown into the air from a volcanic eruption.
What is tephra?
200
Most of Earth's mountain ranges have formed along plate boundaries.
What is the most common place for mountains to form?
200
The resulting fracture after different kinds of rocks fail when stress is applied to quickly?
What is a fault?
200
An intrusive igneous rock exposed at Earth's sruface as a result of uplift and erosion.
What is plutons?
300
When Pangaea drifted apart from its self and created today's continents.
What is continental drift?
300
Fishbowl shaped depression on the top of a volcano.
What is a crater?
300
Mountains that form when large regions of Earth have been slowly forced upward as a unit.
What is uplifted mountains?
300
The measurement to use to find out the energy released during an earthquake.
What is magnitude?
300
When magma solidifies.
What is laccolith?
400
States that Earth's crust and upper mantle are broken into plates which move different directions and different rates over Earth's surface.
What is the theory of plate tectonics?
400
Unusually hot regions under Earth's mantle, also where volcanoes can form from.
What is hot spots?
400
The igneous rock that formswhen magma erupts onto the seafloor.
What is pillow basalt?
400
Place along an active fault where an earthquake has not happened in a long time.
What is a seismic gap?
400
Where lava flows out through an opening in the crust.
What is a vent?
500
Place where two plates slide horizontally past each other.
What is transform boundary?
500
It can create islands once the lava hits water and it also can destroy pretty much anything in its path.
What is some affects from volcanoes erupting?
500
When large pieces of crust are tilted, uplifted or dropped downward between large faults.
What is fault-block mountains?
500
Occurs when a large vertical motion happens on the seafloor.
What is a tsunami?
500
All earth; all the continents.
What is Pangaea?
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