Rocks And Minerals 2
A quiz on the basics of rocks and minerals.
Questions and Answers
- 1.
Which type of rocks form due to extreme pressure or heat?
- A.
Igneous Rocks
- B.
Sedimentary Rocks
- C.
Metamorphic Rocks
- D.
Minerals
Correct Answer
C. Metamorphic RocksExplanation
Metamorphic rocks form due to extreme pressure or heat. This process causes the existing rocks to undergo a transformation, resulting in the formation of new rocks with different mineral composition and texture. The intense heat and pressure cause the minerals within the rocks to recrystallize and rearrange, leading to the formation of metamorphic rocks. Examples of metamorphic rocks include marble, slate, and gneiss.Rate this question:
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- 2.
The process in which rocks are broken down into smaller pieces by ice water thewind changes in temperature plants animals or by chemicals.
Correct Answer
erosionExplanation
Erosion is the correct answer because it refers to the process by which rocks are broken down into smaller pieces. This can occur through various agents such as ice, water, wind, changes in temperature, plants, animals, or chemicals. Erosion is a natural process that wears away and transports the fragmented rock material, shaping the Earth's surface over time.Rate this question:
- 3.
Select the answer that best defines sedimentary rocks.
- A.
The changing and evolution of rocks from one type of rock to another that takes place over time.
- B.
A type of rock that forms at Earth's surface. This rock may form from material that has been squeezed together or it may form from the material that is left after the evaporation of water.
Correct Answer
A. The changing and evolution of rocks from one type of rock to another that takes place over time.Explanation
Sedimentary rocks are formed through the process of sedimentation, which involves the deposition and accumulation of sediment over time. This sediment can be derived from various sources such as weathering and erosion of existing rocks, or from the remains of plants and animals. As layers of sediment build up, they become compacted and cemented together, forming sedimentary rocks. This process of changing and evolving from one type of rock to another is known as the rock cycle, which occurs over long periods of time.Rate this question:
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- 4.
The changing and evolution of rocks from one type of rock to another that takesplace over time.
Correct Answer
rock cycle
The Rock CycleExplanation
The rock cycle refers to the continuous process of transformation and evolution of rocks from one type to another over time. It involves various geological processes such as weathering, erosion, deposition, compaction, and crystallization. These processes occur over millions of years and are driven by the Earth's internal heat and external forces like water, wind, and ice. The rock cycle is a fundamental concept in geology and helps explain the formation of different types of rocks, including igneous, sedimentary, and metamorphic rocks.Rate this question:
- 5.
Choose the answer that best describes metamorphic rocks.
- A.
A rock that is formed by adding heat, pressure, or chemicals to another rock.
- B.
The process in which magma cools and hardens into rock.
Correct Answer
A. A rock that is formed by adding heat, pressure, or chemicals to another rock.Explanation
Metamorphic rocks are formed when existing rocks undergo changes due to heat, pressure, or chemical processes. These changes can occur deep within the Earth's crust, where rocks are subjected to high temperatures and pressures. As a result, the minerals in the rocks recrystallize, causing the rock to change in texture, composition, and sometimes appearance. This process is known as metamorphism, and it can occur due to tectonic forces, contact with hot fluids, or burial deep within the Earth. The correct answer accurately describes the formation of metamorphic rocks by highlighting the role of heat, pressure, or chemicals in transforming existing rocks.Rate this question:
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- 6.
Scientists group rocks into three types (igneous, sedimentary, and metamorphic) by theage of rocks.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Scientists group rocks into three types (igneous, sedimentary, and metamorphic) based on their origin and formation processes, not by the age of rocks. Age is a separate aspect that can be determined through various dating methods, but it does not determine the classification of rocks into these three types. Therefore, the statement is false.Rate this question:
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- 7.
A scientist that studies the earth is called a
Correct Answer
geologist
GeologistExplanation
A scientist that studies the earth is called a geologist. Geologists study the composition, structure, and processes of the Earth, including its rocks, minerals, and landforms. They analyze geological data to understand the history and formation of the Earth, as well as to predict natural hazards such as earthquakes and volcanic eruptions. Geologists also play a crucial role in the exploration and extraction of natural resources like oil, gas, and minerals.Rate this question:
- 8.
Describe how igneous rocks are formed.
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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Aug 30, 2023Quiz Edited by
ProProfs Editorial Team -
Dec 16, 2015Quiz Created by
Kfulton
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