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Mount Saint Helens

John Bucsanyi

Bits of information on Mount Saint Helens and Plate Tectonics

Shield volcanoes occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge
Seismic waves is an underwater mountain range, formed by plate tectonics
volcanic arc is the extended perimeter of each continent and associated coastal plain
Lava domes Holiday on March 23, 2008
Kīlauea is a lake that forms in a volcanic crater, caldera, or maar
earthquake is the point on the Earth's surface that is directly above the hypocenter or focus, the point where an earthquake or other underground explosion originates.
graben The state Mount Saint Helens is located
Convergent boundaries is a textural term for a volcanic rock that is a solidified frothy lava
mantle refers to the movement of the Earth's continents relative to each other
Lava tubes School Principle
Stratovolcanoes The month John was born in
Bulldog is a depressed block of land bordered by parallel faults
Plate Tectonics are tall conical mountains composed of lava flows and other ejecta in alternate layers, the strata that give rise to the name.
John is a large underground pool of molten rock lying under the surface of the earth's crust
Magma occur where plates slide or, perhaps more accurately, grind past each other along transform faults
Volcanic ash bits of pulverized rock and glass created by volcanic eruptions
caldera occur when rising magma makes contact with ground or surface water
magma chamber is the popular term for a large volcano that usually has a large caldera and can potentially produce devastation on an enormous, sometimes continental, scale.
Washington is a broad, low relief crater that is caused by a phreatic eruption or explosion caused by groundwater contact with hot lava or magma
June interior of the Earth
Continental drift School mascot
Transform boundaries is air-fall material produced by a volcanic eruption regardless of composition or fragment size
volcano What volcanoes sprew
Yellow is molten rock that sometimes forms beneath the surface of the Earth
Cascade Range is a chain of volcanic islands or mountains formed by plate tectonics as an oceanic tectonic plate subducts under another tectonic plate and produces magma.
Supervolcano is an area of frequent earthquakes and volcanic eruptions encircling the basin of the Pacific Ocean
Dacite is the result of a sudden release of energy in the Earth's crust that creates seismic waves
dormant The month we are in
Volcanic cones is an opening, or rupture, in a planet's surface or crust, which allows hot, molten rock, ash, and gases to escape from below the surface
aftershock is an active volcano in the Hawaiʻian Islands
Pumice is the solid outermost shell of a rocky planet
epicenter are waves that travel through the Earth, most often as the result of a tectonic earthquake, sometimes from an explosion.
March two plates move apart from each other and the space that this creates is filled with new crustal material sourced from molten magma that forms below
Easter refers to heat sources within the planet
Andesite is a roughly circular mound-shaped protrusion resulting from the slow eruption of felsic lava (usually rhyolite and/or dacite) from a volcano
Lava What vocanoes do
Pacific Ring of Fire is a volcanic feature formed by the collapse of land following a volcanic eruption.
geothermal is a conspicuous landform and feature of many volcanoes
Crust The city the school is located
mid-ocean ridge is an earthquake that occurs after a previous earthquake
maar are natural conduits through which lava travels beneath the surface of a lava flow, expelled by a volcano during an eruption.
Erupt is the study of volcanoes, lava, magma, and related geological phenomena
tsunami s an igneous, volcanic rock, of intermediate composition, with aphanitic to porphyritic texture
divergent boundaries is a volcano which is not currently active
Seismograph Creator of this Crossword
lithosphere Color of a school bus
Tephra built by slow eruptions of highly viscous lavas
Goodwin result from eruptions that erupt mostly small pieces of scoria and pyroclastics (both resemble cinders, hence the name of this volcano type) that build up around the vent.
continental shelf one of the school colors
Phreatic eruptions is the outermost solid shell of a planet
lava dome is an igneous, volcanic rock with a high iron content
fault line The mountain range Mount St. Helens is located in
Seafloor spreading is a theory of geology that has been developed to explain the observed evidence for large scale motions of the Earth's lithosphere.
Coach Gates so named for their broad, shield-like profiles, are formed by the eruption of low-viscosity lavas that can flow a great distance from a vent, but not generally explode catastrophically
maroon is another Greek term from Seism - "the shakes" and Graphos - "I draw
Volcanology occur where two plates slide towards each other commonly forming either a subduction zone (if one plate moves underneath the other) or a continental collision (if the two plates contain continental crust).
Richter is a planar rock fracture, which shows evidence of relative movement
crater lake is a series of waves created when a body of water, such as an ocean, is rapidly displaced.
crater scale, assigns a single number to quantify the amount of seismic energy released by an earthquake
New Waverly Teacher of Sixth Grade Science Class

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