PDF Download FREE AND STUDY GAMES ABOUT RCK & ROCK CYCLE
EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -35 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: The major difference between intrusive and extrusive igneous rocks is:
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Where they solidify (magma or lava) inside or at surface of the earth Question 2: Obsidian, granite, and basalt are rocks formed from molten rock that has cooled.What kind of rocks are they?
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igneous Question 3: Metamorphic rocks are classified according to:
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texture - the presence/absence of foliation. (foliated or non foliated Question 4: All the terms in the following list belong together except one. Which one does not belong?Metamorphic Heat Pressure Melting
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Melting Question 5: Which correctly matches the rock type with the process involved in forming the rock?Rock Type Process
- igneous - pressure and heat
- sedimentary - erosion and weathering
- metamorphic - heating and melting
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- sedimentary - erosion and weathering
Question 6: Metamorphism begins with...
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Rock=preexisting rock, igneous, sedimentary or metamorphic rock Question 7: A glassy texture indicates:
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very rapid cooling
Question 8: Compaction is...
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the process that presses (pushes, compacts) sediments together
Question 9: What is the only rock that can form directly from magma?
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The only rocks that can form directly from magma are igneous rocks.Question 10: Process in which sedimentary rocks are arranged in layers is known as
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Stratification
Question 11: Foliation is:
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an alignment of mineral grains in a metamorphic rock.
Question 12: What is the difference between erosion and weathering?
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Weathering is the breakdown of rock into smaller pieces; erosion is when it is carried away.Question 13: Heat and pressure can transform igneous rocks into metamorphic rocks. What processes can transform igneous rock into sedimentary rock?
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weathering, erosion, deposition , compaction, & cementation Question 14: When rocks are metamorphosed, the mineral components of the rock are:
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Recrystallized-Transformed in the solid state.Question 15: Igneous rocks that form entirely beneath Earth's surface are said to be:
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Intrusive Question 16: What happens when the minerals in igneous, sedimentary, and metamorphic rocks completely melt?
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When the minerals in rocks completely melt, they turn into magma.Question 17: The rate of cooling of a magma or lava is reflected by the ________ of the rock.
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texture Question 18: A clastic rock is:
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a rock formed from the cementation of transported rock fragments /grains/ pieces
Question 19: A crystalline or glassy rock formed when magma or lava cools down and solidifies is called
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igneous rocks Question 20: Which one of the following features are NOT associated with sedimentary rocks?
- foliation
- fossils
- Crystals
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- foliation &
- Crystals
Question 21: What evidence can you find on a rock that it is a sedimentary rock?
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It has visible layers Other rocks (sediment) Organic matter (Once living objects) fossils Question 22: What type of volcanic rock contains a large number (a lot) of cavities (bubbles) that form when gases escape from the molten rock?
Answer:
pumice
Question 23: What often leads to the creation of metamorphic rocks?
- Volcanic eruption
- Movement of Earth's tectonic plates
- Erosion
Answer:
- Movement of Earth's tectonic plates