A Mineral Forms In Water Heated By Magma Inside Earth

Question: which statement best describes how the great rift valley in Africa formed?
a. the rift valley formed when the crust pulled apart.
b. the rift valley formed due to subduction.
c. the rift valley formed similarity to an island arc.
d. the rift valley formed at a convergent boundary.
Answer: a. the rift valley formed when the crust pulled apart
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Question: what causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?
a. gravity
b. water flow
c. expanding gases
d. convergent boundaries
Answer: c. expanding gases
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Question: which statement best describes this eruption?
a. its magma is high in silica.
b. its magma has low viscosity.
c. its gases are released in rapid bursts.
d. its lava came from an explosive eruption.
Answer: b. its magma has low viscosity
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Question: which feature forms when magma cools beneath earth's surface?
a. geysers
b. calderas
c. batholiths
d. vents
Answer: c. batholiths
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Question: which increases along faults and leads to rock breaking?
a. damage
b. earthquake
c. focus
d. stress
Answer: d. stress
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Question: which statement describes seismic waves?
a. they carry energy.
b. they move in one direction.
c. they travel from the epicenter.
d. they only vibrate at earths surface
Answer: a. they carry energy
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Question: which statement describes the damage that results from earthquakes?
a. amount of damage can be used to determine intensity
b. damage can be measured using the Richter scale.
c. the amount of damage increases as magnitude decreases
d. earthquakes that cause maximum damage are the most common.
Answer: a. amount of damage can be used to determine intensity
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Question: which is one step that geologists use to find the epicenter of an earthquake?
a. they look at data from at least one seismograph
b. they measure the difference between the arrival of p waves and s waves.
c. they draw circles around the epicenter from three locations
d. they obtain information about the intensity of earthquakes from seismographs
Answer: b. they measure the difference between the arrival of p waves and s waves.
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Question: which correctly lists three properties that are used to identify minerals?
a. luster weight streak
b. magnetism size weight
c. size weight luster
d. streak luster and magnetism
Answer: d. streak luster and magnetism
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Question: molten materials cool at different rates. which property of a mineral does this affect?
a. color
b. luster
c. crystal size
d. crystal shape
Answer: c. crystal size
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Question: a mineral forms in water heated by magma inside earth. which statement best describes this mineral?
a. the mineral formed through evaporation
b. the mineral crystallized from molten material
c. the mineral formed when a hot water solution cooled
d. the mineral likely has all the same properties as the surrounding rock.
Answer: c. the mineral formed when a hot water solution cooled
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Question: which is a common use of minerals?
a. pasta
b. toothpaste
c. applesauce
d. wooden craft stick
Answer: b. toothpaste
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