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Plate Tectonics, Seismic Waves and Faulting

Use your knowledge of what we have learned about Plate Tectonics, Seismic Waves and Faulting to complete the crossword puzzle.

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1.The force moving plates are called ______ _______.
4.The process of heating, rising, cooling and sicking in the mantle is called a ________ cycle.
5.__________ boundaries occur where two plates slide past each other.
9.The area where an oceanic plate subducts, or goes down into the mantle is called the _____ ______.
11.A _________ volcano is a steep sided mountain composed of alternating lava and tephra .
13.Mylonite is a dynamic ______rock which forms along fault zones.
17.When continental plates pull apart , they form _______ ________.
19.A large, circular depression caused by collapse of ground at the top of a volcano is called______.
22.The ____________are an example of a folded uplift mountain ranges.
24.A less dense oceanic plate sinks under the continental plate at a _________boundary.
26.The ______ ________ is the divergent boundary where the North American Plate is moving away from the Eurasian and African Plates.
27._________, trenches and uplift occur at subduction zones
28.Fragments larger than about 2.5 inches are called _______.
31.The Appalachians formed mainly from continental plate ________and are considered a mountain range.
34.A __________wall occurs above the fault plane.
35.Earthquake waves including primary, secondary and surface waves are called _______waves.
36.Fossils are found in ________rocks.
37.They are massive avalanches of hot glowing rock flowing on a cushion of hot gasses.
38.The movement of smaller pieces of rock by wind, water or even ice ic called ________
39.A vent that releases volcanic gases or water vapor is called________.
40.In a __________boundary, two plates are moving apart.
1.A steep-sided, circular depression formed by either explosion or collapse at a volcanic vent is called_______.
2.The Himalaya mountains were formed as a result of ______ ______, where two plates colliding push of crust to form mountain ranges.
3.________ takes place as rocks are broken down into progressively smaller pieces by the effects of weather.
6.Newly formed _________ forced upward along plate boundaries forms volcanoes.
7.Faults that form from pull-apart forces are called ______ _______
8.An opening at the Earth’s surface through which volcanic materials erupt is called_______.
10.In a subduction zone, less dense _________ plates slide over the more dense Oceanic plate.
12.A ____ ______ occurs when continental plates diverge.
14.A reservoir of molten rock material beneath the Earth’s surface is called
15.Fragments of lava, rock, or sand-sized ash are called ______.
16.Large ________ faults occur in areas that have undergone great compressional forces
18.An example of a transform boundary is the ____ _____ fault.
20.The theory that continents were once one large land mass that over time broke up and moved to separate locations is called
21._____ ______ are usually caused by a shift of tectonic plates.
23.cataclastic ________ occurs where rocks grind past each other along a fault,
25.In a _____ ______, the rock layers above the fault surface move up realtive to the rock layers below the fault.
29.When two oceanic plates converge, an _____ ______ and a trench are created.
30.______is molten rock (fluid) typically deep below the surface, rich in silica (SiO2), which contains dissolved volatiles (e.g. CO2 and H2O).
31.Lava fragments about 1 centimeter in diameter are called _______.
32.A ___________ wall ccurs below the fault.
33._________ rocks are formed as a result of cooling and crystallization from a magma.

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