FREE EARTH SCIENCE AND STUDY GAMES ABOUT

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FREE EARTH SCIENCE AND STUDY GAMES ABOUT

LITHOSPHERE VOCAB. EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -58 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Asthenosphere

Answer:

a weak plastic layer of the mantle situated below the lithosphere; the rock within this zone is easity deformed

Question 2: Focus

Answer:

the point within Earth where an earthquake originates

Question 3: Igneous Rock

Answer:

a rock formed by the crystallization of molten magma

Question 4: Earthquake

Answer:

the vibration of Earth produced by the rapid release of energy

Question 5: Magma

Answer:

a body of molten rock fount at depth, including any dissolved gases and crystals

Question 6: Rock Cycle

Answer:

a model that illustrates the origin of the three basic rock types and the interrelatedness of Earth materials and processes

Question 7: Pangaea

Answer:

the proposed supercontinent that 200 million years ago began to break apart and form the present landmasses

Question 8: Erosion

Answer:

the incorporation and transportation of materal by a mobile agent, such as water, wind, or ice

Question 9: Fault

Answer:

a fracture in Earth along which movement has occured

Question 10: Strike Slip Fault

Answer:

a fault along which the movement is horizontal and parallel to the trend of the fault

Question 11: Sediment

Answer:

loose particles created by the weathering and erosion of rock, by chemical precipitation from solution in water, or from the secretions of organisms and transported by water, wind, or glaciers

Question 12: Mantle

Answer:

the 2890 km thick later of Earth located below the crust

Question 13: Crust

Answer:

the thin, rocky outher layer of Earth

Question 14: Metamorphic Rock

Answer:

rock formed by the alteration of preexisting rock deep within Earth (but still in the solid state) by heat, pressure, and/or chemically active fluids

Question 15: Divergent Boundary

Answer:

a region where the rigid plates are moving apart, typified by the oceanic ridges

Question 16: Regolith

Answer:

the layer of rock and mineral fragments that nearly everywhere covers the Earth's surface

Question 17: Sedimentary Rock

Answer:

rock formed from the weathered products of preexisting rocks that have been transported, deposited, compacted, and cemented

Question 18: Trench

Answer:

a surface feature in the seafloor produced by the descending plate during subduction

Question 19: Aftershock

Answer:

a small earthquake that follows the main earthquake

Question 20: Soil Profile

Answer:

a vertical section through a soil showing its succession of horizons and the underlying parent material

Question 21: Volcano

Answer:

a mountain formed of lava and/or pyroclastic material

Question 22: Surface Wave

Answer:

a seismic wave that travels along the surface of Earth

Question 23: Runoff

Answer:

water that flows over the land surface rather than seeping into the ground

Question 24: Convergent Boundary

Answer:

a boundary in which two plates move together

Question 25: Epicenter

Answer:

the location on Earth's surface directly above the focus, or origin, of an earthquake

Question 26: Mechanical Weathering

Answer:

the physical disintegration of rock, resulting in smaller fragments

Question 27: Seafloor Spreading

Answer:

the process by which plate tectonics produces new oceanic lithosphere at ocean ridges

Question 28: Ocean Ridge

Answer:

a continuous elevated zone on the floor of all the major ocean basins and varying in width from 1000-4000 km; the rifts at the crest of ridges represent divergent plate boundaries