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Questions and Answers
Which type of rock forms when magma makes its way to Earth's surface as lava and then cools?
Which type of rock forms when magma makes its way to Earth's surface as lava and then cools?
- Sedimentary rock
- Metamorphic rock
- Intrusive/Plutonic rock
- Extrusive/Volcanic rock (correct)
What is the scientific study of rocks called?
What is the scientific study of rocks called?
- Petrology (correct)
- Mineralogy
- Geology
- Volcanology
What are the three categories into which geologists group rocks based on how they form?
What are the three categories into which geologists group rocks based on how they form?
- Sedimentary, igneous, and volcanic
- Metamorphic, volcanic, and sedimentary
- Volcanic, igneous, and metamorphic
- Igneous, metamorphic, and sedimentary (correct)
What is the process by which magma or molten material originating deep within the Earth hardens and crystallizes to form rock called?
What is the process by which magma or molten material originating deep within the Earth hardens and crystallizes to form rock called?
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What is the depth at which the mantle meets the liquid outer core of the Earth?
What is the depth at which the mantle meets the liquid outer core of the Earth?
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