Vocabulary 15.1 Question Preview (ID: 5869)
Earth Science Vocabulary.
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Define isostasy.
a) the principle (rule) that states that Earth’s crust and lithosphere float on the upper part of the m
b) a theory in which the lithosphere is divided into a number of crustal plates, each of which moves o
c) the hypothetical landmass that existed when all continents were joined, from about 300 to 200 millio
d) a section of Earth’s crust and rigid, upper mantle that moves slowly around on the asthenosphere.
Define plate tectonics.
a) a type of plate movement that occurs when one plate sinks beneath another plate.
b) a section of Earth’s crust and rigid, upper mantle that moves slowly around on the asthenosphere.
c) the transfer of heat by the circulation or movement of the heated parts of a liquid or gas
d) a theory in which the lithosphere is divided into a number of crustal plates, each of which moves o
Define lava.
a) a section of Earth’s crust and rigid, upper mantle that moves slowly around on the asthenosphere.
b) the transfer of heat by the circulation or movement of the heated parts of a liquid or gas
c) mountain that forms when magma is forced upward and flows onto Earth’s surface
d) the molten, fluid rock that issues from a volcano or a volcanic vent.
Define pangea.
a) a theory in which the lithosphere is divided into a number of crustal plates, each of which moves o
b) the hypothetical landmass that existed when all continents were joined, from about 300 to 200 millio
c) the molten, fluid rock that issues from a volcano or a volcanic vent.
d) a type of plate movement that occurs when one plate sinks beneath another plate.
Define plates.
a) the molten, fluid rock that issues from a volcano or a volcanic vent.
b) the hypothetical landmass that existed when all continents were joined, from about 300 to 200 millio
c) a section of Earth’s crust and rigid, upper mantle that moves slowly around on the asthenosphere.
d) a theory in which the lithosphere is divided into a number of crustal plates, each of which moves o
Define convection.
a) the hypothetical landmass that existed when all continents were joined, from about 300 to 200 millio
b) a type of plate movement that occurs when one plate sinks beneath another plate.
c) the transfer of heat by the circulation or movement of the heated parts of a liquid or gas
d) a section of Earth’s crust and rigid, upper mantle that moves slowly around on the asthenosphere
Define subduction.
a) the transfer of heat by the circulation or movement of the heated parts of a liquid or gas
b) mountain that forms when forces inside Earth push up the crust.
c) the principle (rule) that states that Earth’s crust and lithosphere float on the upper part of the m
d) a type of plate movement that occurs when one plate sinks beneath another plate.
Define upwarped mountain.
a) mountain that forms when forces inside Earth push up the crust.
b) sharp, jagged mountains made of huge, tilted blocks of rock that are separated from surrounding rock
c) mountain that forms when magma is forced upward and flows onto Earth’s surface
d) a volcano that has erupted or is going to erupt in the near future. When a volcano is erupting, smok
Define fault-block mountain.
a) mountain that forms when forces inside Earth push up the crust.
b) sharp, jagged mountains made of huge, tilted blocks of rock that are separated from surrounding rock
c) mountain that forms when magma is forced upward and flows onto Earth’s surface
d) volcano that has erupted or is going to erupt in the near future. When a volcano is erupting, smoke
Define volcanic mountain.
a) sharp, jagged mountains made of huge, tilted blocks of rock that are separated from surrounding rock
b) a volcano that has erupted or is going to erupt in the near future. When a volcano is erupting, smok
c) mountain that forms when forces inside Earth push up the crust.
d) mountain that forms when magma is forced upward and flows onto Earth’s surface
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