sevies SRB science final
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What would you expect after an explosive eruption? | Darkened Skies
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| A cinder cone volcano has... | Steep Slopes
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| An extinct volcano will probably... | never erupt again
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| Landforms that we call volcanoes are created by... | repeated eruptions of lava
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| Where are volcanoes most likely to form? | Along plate boundaries
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| What would you expect to see during a nonexplosive eruption? | Huge lava flows
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| Molten rock deep underground often gathers in a... | magma chamber
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| What type of lava flows like dripping wax? | Pahoehoe Lava
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| Cool, stiff lava that forms jumpled heaps of sharp chunks near the vent is called... | Blocky Lava
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| What type of pyroclastic material gets its name from a word that means "little stones"? | Lapilli
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| The pyroclastic material that can reach the upper atmosphere and circle the Earth for years is... | Volcanic Ash
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| What category of volcano is most likely to erupt in the near future? | Actice Volcano
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| A tiltmeter measures... | changes in a volcanoes slope
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| What is most likely to happen if the water content of magma is high? | An explosion
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| A crack in Earth's crust is known as a... | rift
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| Mount Rainier and Ount St. Helens ar... | composite volcanoes
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| Molten rock is also known as... | magama
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| Magma that flows on the Earth's surface is... | lava
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| Dust-sized particles of hardened lava are... | vents
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| Magma that is blasted into the air and hardens is... | pyroclastic material
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| A landform caused by reapeated eruptions of lava is | volcano
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| What is the thin and solid outermost layer of the Earth above the mantle? | crust
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| What is the thin layer of rock between the Earth's crust and core? | mantle
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| What is the central part of the Earth below the mantle? | core
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| What is the solid, outer layer of the Earth that consists of the crust and the rigid upper part of the mantle? | lithosphere
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| What is the soft layer of the mantle on which the tectonic plates move? | asthenosphere
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| What is the strong, lower part of the mantle between the asthenosphere and the outerer core? | mesosphere
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| What is a block of lithosphere that consists of the crust and the rigid, outermost part of the mantle? | tectonic plate
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| What is the hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations? | continental drift
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| What is the process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies? | sea-floor spreading
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| What is the theory that explains how large piecesof the Earth's outermost layer, called tectonic plates, move and change shape? | plate tectonics
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| What is the boundary formed by the collision of two lithospheric plates? | convergent boundary
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| What is the boundary between two tectonic plates that are moving away from each other? | divergent boundary
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| What is the boundary between tectonic plates that are sliding past each other horizontally? | transform boundaries
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| Stress that occurs when forces act to sqeeze an object are... | compression
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| Stress that occurs when forces act to stretch an object are... | tension
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| The bending of rock layers due to stress are... | folding
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| A break in a body of rock along which one block slides relative to another is called a... | fault
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| The rising of regions of the Earth's crust to higher elevations is called... | uplift
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| The sinking of regions of the Earth's crust to lower elevations is called... | subsidence
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| The study of earthquakes is called... | seismology
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| The beding, tilting and breaking of the Earth's crust is called... | deformation
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| The sudden return of elastically deformed rock to its undeformed shape is called... | elastic rebound
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| A wave of energy that travels through the Earth, away from an earthquake in all directions is... | seismic wave
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| A seismic wave that causes particles of rock to move in a back-and-forth direction is... | P wave
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| A seismic wave that causes particles of rock to move in a sis-to-side direction is... | S wave
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| An instrument that records vibrations in the ground and determines the location and strength of an earthquake... | seismograph
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| A tracing of earthquake motion that is created by a seismograph is... | seismogram
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| The point on Earth's surface directly above an earthquake's starting point, or focus is... | epicenter
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| The point along a fault at which the first motion of an earthquake is the... | focus
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| A hypothesis that is based on the idea that a major earthquake is more likely to occur along the part of an active fault where no earthquakes have occured for a certain period of time is the... | gap hypothesis
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