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Science Final xD
sevies SRB science final
| Question | Answer |
|---|---|
| What would you expect after an explosive eruption? | Darkened Skies |
| A cinder cone volcano has... | Steep Slopes |
| An extinct volcano will probably... | never erupt again |
| Landforms that we call volcanoes are created by... | repeated eruptions of lava |
| Where are volcanoes most likely to form? | Along plate boundaries |
| What would you expect to see during a nonexplosive eruption? | Huge lava flows |
| Molten rock deep underground often gathers in a... | magma chamber |
| What type of lava flows like dripping wax? | Pahoehoe Lava |
| Cool, stiff lava that forms jumpled heaps of sharp chunks near the vent is called... | Blocky Lava |
| What type of pyroclastic material gets its name from a word that means "little stones"? | Lapilli |
| The pyroclastic material that can reach the upper atmosphere and circle the Earth for years is... | Volcanic Ash |
| What category of volcano is most likely to erupt in the near future? | Actice Volcano |
| A tiltmeter measures... | changes in a volcanoes slope |
| What is most likely to happen if the water content of magma is high? | An explosion |
| A crack in Earth's crust is known as a... | rift |
| Mount Rainier and Ount St. Helens ar... | composite volcanoes |
| Molten rock is also known as... | magama |
| Magma that flows on the Earth's surface is... | lava |
| Dust-sized particles of hardened lava are... | vents |
| Magma that is blasted into the air and hardens is... | pyroclastic material |
| A landform caused by reapeated eruptions of lava is | volcano |
| What is the thin and solid outermost layer of the Earth above the mantle? | crust |
| What is the thin layer of rock between the Earth's crust and core? | mantle |
| What is the central part of the Earth below the mantle? | core |
| What is the solid, outer layer of the Earth that consists of the crust and the rigid upper part of the mantle? | lithosphere |
| What is the soft layer of the mantle on which the tectonic plates move? | asthenosphere |
| What is the strong, lower part of the mantle between the asthenosphere and the outerer core? | mesosphere |
| What is a block of lithosphere that consists of the crust and the rigid, outermost part of the mantle? | tectonic plate |
| What is the hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations? | continental drift |
| What is the process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies? | sea-floor spreading |
| What is the theory that explains how large piecesof the Earth's outermost layer, called tectonic plates, move and change shape? | plate tectonics |
| What is the boundary formed by the collision of two lithospheric plates? | convergent boundary |
| What is the boundary between two tectonic plates that are moving away from each other? | divergent boundary |
| What is the boundary between tectonic plates that are sliding past each other horizontally? | transform boundaries |
| Stress that occurs when forces act to sqeeze an object are... | compression |
| Stress that occurs when forces act to stretch an object are... | tension |
| The bending of rock layers due to stress are... | folding |
| A break in a body of rock along which one block slides relative to another is called a... | fault |
| The rising of regions of the Earth's crust to higher elevations is called... | uplift |
| The sinking of regions of the Earth's crust to lower elevations is called... | subsidence |
| The study of earthquakes is called... | seismology |
| The beding, tilting and breaking of the Earth's crust is called... | deformation |
| The sudden return of elastically deformed rock to its undeformed shape is called... | elastic rebound |
| A wave of energy that travels through the Earth, away from an earthquake in all directions is... | seismic wave |
| A seismic wave that causes particles of rock to move in a back-and-forth direction is... | P wave |
| A seismic wave that causes particles of rock to move in a sis-to-side direction is... | S wave |
| An instrument that records vibrations in the ground and determines the location and strength of an earthquake... | seismograph |
| A tracing of earthquake motion that is created by a seismograph is... | seismogram |
| The point on Earth's surface directly above an earthquake's starting point, or focus is... | epicenter |
| The point along a fault at which the first motion of an earthquake is the... | focus |
| 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 |
Created by:
annaz26
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