Do You Have Basic Knowledge About Geology? Quiz
There are four layers of the earth, and this includes the crust, mantle, and inner and outer core. The earth’s crust is made up of three different types of rocks. This is a test to assess your knowledge on The Rock Cycle, Chapter 4, and the 11 Geology Terms given in class. Give it a shot and see just how good you will do.
Questions and Answers
- 1.
What language does the word igneous come from ?
- A.
Greek
- B.
Latin
- C.
Hebrew
- D.
Mango
Correct Answer
B. LatinExplanation
The word "igneous" comes from Latin. Latin is a classical language that has influenced many modern languages, including English. In Latin, "igneous" is derived from the word "ignis," which means fire. This is fitting because igneous rocks are formed from the solidification of molten material, such as lava or magma. Latin has contributed significantly to scientific terminology, and the use of Latin roots in various fields of study, including geology, is prevalent.Rate this question:
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- 2.
What happens in the rock cycle after compaction and cementation ?
- A.
Deposition
- B.
Cooling
- C.
Melting
- D.
Metamorphism
Correct Answer
D. MetamorpHismExplanation
After compaction and cementation, the next step in the rock cycle is metamorphism. Metamorphism refers to the process in which rocks undergo physical and chemical changes due to high temperature and pressure. During metamorphism, the minerals in the rock recrystallize and rearrange themselves, resulting in the formation of new minerals and a change in the rock's texture and structure. This process can occur deep within the Earth's crust or at the surface, and it can lead to the formation of different types of rocks, such as marble, slate, or gneiss.Rate this question:
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- 3.
What type of rock would you find fossils in ?
- A.
Igneous Rock
- B.
Metamorphic Rock
- C.
Sedimentary Rock
- D.
Nitty Gritty Rock
Correct Answer
C. Sedimentary RockExplanation
Sedimentary rock is the correct answer because it is formed from the accumulation and compaction of sediment, which often includes the remains of plants and animals. Fossils are commonly found in sedimentary rock because the process of sedimentation preserves and traps the remains of organisms over time. Igneous rock forms from the cooling and solidification of molten rock, making it unlikely to contain fossils. Metamorphic rock is formed from the transformation of existing rock under high pressure and temperature, which also makes it less likely to contain fossils. "Nitty Gritty Rock" is not a recognized type of rock.Rate this question:
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- 4.
Name the 2 types of weathering
- A.
Erosion and Deposition
- B.
Chemical and Mechanical
- C.
Snowing and Raining
- D.
Chemical and Methodical
Correct Answer
B. Chemical and MechanicalExplanation
Chemical and mechanical weathering are the two types of weathering. Chemical weathering refers to the breakdown of rocks and minerals through chemical reactions, such as oxidation or dissolution. This process alters the composition of the rocks. On the other hand, mechanical weathering involves the physical breakdown of rocks into smaller pieces without changing their chemical composition. This can occur through processes like freeze-thaw cycles, abrasion, or root wedging. Both types of weathering play significant roles in the breakdown and transformation of rocks over time.Rate this question:
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- 5.
Liquid Rock is known as
- A.
Crystal Rock
- B.
Metamorphic Rock
- C.
Crust
- D.
None of the above
Correct Answer
D. None of the aboveExplanation
Liquid rock is not known as any of the options provided. Liquid rock refers to molten rock material, which is typically found beneath the Earth's surface in the form of magma. When this molten rock material solidifies, it can form different types of rocks, including igneous rocks. Crystal rock and metamorphic rock are specific types of rocks that form through different geological processes, while the crust refers to the outermost layer of the Earth. Therefore, none of the options provided accurately describe liquid rock.Rate this question:
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- 6.
The Earth's crust is mostly made of rock.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The Earth's crust is the outermost layer of the Earth and is primarily composed of rock. This layer is relatively thin, ranging from about 5 to 70 kilometers in thickness. Rocks such as granite, basalt, and sandstone are commonly found in the Earth's crust. Therefore, it is accurate to say that the Earth's crust is mostly made of rock.Rate this question:
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- 7.
Magma goes through the cooling process as it rises and solidifies
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Magma, which is molten rock beneath the Earth's surface, cools down as it rises towards the surface and eventually solidifies. This process is known as cooling. As the magma moves closer to the surface, it encounters lower temperatures, causing it to lose heat and solidify into solid rock. This solidified rock is commonly known as igneous rock. Therefore, the statement "Magma goes through the cooling process as it rises and solidifies" is true.Rate this question:
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- 8.
All true rock is made up of 25% quartz and 75% feldspar
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement that all true rock is made up of 25% quartz and 75% feldspar is false. Rock composition varies greatly and can include a wide range of minerals, not just quartz and feldspar. Different types of rocks have different mineral compositions, and quartz and feldspar may or may not be present in a particular rock. Therefore, it is incorrect to claim that all true rock is composed of 25% quartz and 75% feldspar.Rate this question:
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- 9.
Chemical sedimentary rock is made from solutions of minerals and water
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Chemical sedimentary rock is formed through the process of chemical precipitation, where minerals dissolved in water come out of solution and solidify. This can occur when the concentration of minerals in the water reaches a point where they can no longer stay dissolved. As the water evaporates or becomes oversaturated, the minerals combine and settle to form rock. Examples of chemical sedimentary rocks include limestone, gypsum, and rock salt. Therefore, it is correct to say that chemical sedimentary rock is made from solutions of minerals and water.Rate this question:
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- 10.
Sedimentary rock changes to metamorphic rock because of extreme heat and pressure
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Sedimentary rock can change into metamorphic rock due to the intense heat and pressure that it is subjected to over time. This process, known as metamorphism, causes the minerals within the sedimentary rock to recrystallize and rearrange, resulting in the formation of a new rock with different physical and chemical properties. Therefore, the statement "Sedimentary rock changes to metamorphic rock because of extreme heat and pressure" is true.Rate this question:
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- 11.
Weathering is
- A.
The breakdown of rock into smaller and pieces by mechanical or chemical means
- B.
A loose mixture of small mineral fragments
- C.
A top layer of humus that is worn down bit by bit into sedimentary rock
Correct Answer
A. The breakdown of rock into smaller and pieces by mechanical or chemical meansExplanation
Weathering is the process by which rocks are broken down into smaller and smaller pieces through mechanical or chemical means. This can occur due to physical forces such as wind, water, or ice, as well as chemical reactions with substances like acids. Over time, weathering can result in the formation of sedimentary rock as the smaller rock fragments are compacted and cemented together.Rate this question:
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- 12.
Abrasion is the grinding and wearing down of rock surfaces by other rock or sand particles
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Abrasion refers to the process of rocks being worn down or ground down by the action of other rock or sand particles. This process occurs through the physical contact and rubbing of these particles against the rock surfaces, resulting in the gradual erosion and smoothing of the rocks. Therefore, the statement that "Abrasion is the grinding and wearing down of rock surfaces by other rock or sand particles" is true.Rate this question:
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- 13.
Oxidation is
- A.
A physical combination that forms oxide ions
- B.
A chemical reaction in which an element combines with oxygen to form and oxide
- C.
A physical and chemical reaction in which oxygen and hydrogen form an element
Correct Answer
B. A chemical reaction in which an element combines with oxygen to form and oxideExplanation
Oxidation is a chemical reaction in which an element combines with oxygen to form an oxide. This process involves the transfer of electrons from the element to the oxygen, resulting in the formation of a compound known as an oxide. This reaction is commonly observed in various chemical processes and is essential in many natural and industrial processes.Rate this question:
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- 14.
Soil is simply
- A.
A photochemical reaction to erosion
- B.
A compound of dirt
- C.
A loose mixture of small mineral fragments and organic material
Correct Answer
C. A loose mixture of small mineral fragments and organic materialExplanation
The correct answer is "a loose mixture of small mineral fragments and organic material." Soil is formed through the weathering of rocks and the decomposition of organic matter. It consists of various sized mineral particles, such as sand, silt, and clay, along with organic material like dead plants and animals. This loose mixture provides a suitable medium for plants to grow and supports various organisms.Rate this question:
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- 15.
The layer of rock beneath the soil
- A.
Layerrock
- B.
Bedrock
- C.
Humus
Correct Answer
B. BedrockExplanation
Bedrock refers to the solid layer of rock that lies beneath the soil. It is the lowest layer of rock in the Earth's crust and serves as a foundation for the soil above it. Unlike soil, which is made up of weathered rock and organic matter, bedrock is unweathered and solid. It provides stability and support to the soil and plays a crucial role in determining the characteristics of the land surface.Rate this question:
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- 16.
Parent rock is best describes as
- A.
From where the entire rock cycle comes from
- B.
Rock from where little baby rocks are born
- C.
Rock that is the source of all soil
Correct Answer
C. Rock that is the source of all soilExplanation
Parent rock is the source of all soil because it is the rock that undergoes weathering and erosion over time, breaking down into smaller particles and forming soil. Soil is formed from the weathering and decomposition of parent rock, along with the addition of organic matter from plants and animals. This process takes place over a long period of time and is a crucial part of the rock cycle, as it provides the necessary nutrients and support for plant growth and sustains life on Earth.Rate this question:
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- 17.
Humus is best described as
- A.
A small amount of water vapor to make soil moist
- B.
Small particles of decayed animal and plant material in soil
- C.
A four legged distant relative of the camel
Correct Answer
B. Small particles of decayed animal and plant material in soilExplanation
Humus is best described as small particles of decayed animal and plant material in soil. Humus is formed through the decomposition of organic matter, such as dead plants and animals, by microorganisms. It is a dark, organic substance that helps to improve soil fertility and structure. Humus retains moisture, enhances nutrient availability, and promotes the growth of beneficial soil organisms. It is an essential component of healthy soil and plays a crucial role in supporting plant growth and ecosystem sustainability.Rate this question:
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- 18.
The following two processes most add to topsoil
- A.
Deposition and melting
- B.
Weathering and erosion
- C.
Weathering and cementation
Correct Answer
B. Weathering and erosionExplanation
Weathering and erosion are the processes that contribute to the formation of topsoil. Weathering refers to the breakdown of rocks and minerals into smaller particles through physical, chemical, and biological processes. This process exposes more surface area, making it easier for erosion to occur. Erosion, on the other hand, involves the transportation and movement of these weathered particles by agents such as water, wind, or ice. As these particles are transported, they can settle and accumulate, ultimately forming topsoil. Therefore, weathering and erosion are the processes that most significantly contribute to the formation of topsoil.Rate this question:
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- 19.
Acid precipitation is best described as
- A.
Precipitation that energy to the rock cycle
- B.
Precipitation that contains acid that melts rocks due to pressure and heat
- C.
Precipitation that contains acid due to air pollution
Correct Answer
C. Precipitation that contains acid due to air pollutionExplanation
Acid precipitation refers to precipitation that contains acid due to air pollution. When pollutants such as sulfur dioxide and nitrogen oxides are released into the atmosphere from human activities like burning fossil fuels, they react with water vapor and other compounds to form sulfuric acid and nitric acid. These acids then combine with rain, snow, fog, or sleet, resulting in acid precipitation. This type of precipitation can have harmful effects on the environment, including damaging vegetation, aquatic ecosystems, and infrastructure.Rate this question:
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- 20.
Geology is best described as
- A.
The study of energy through the earth
- B.
The study of the solid and liquid earth
- C.
The study of the solid earth
Correct Answer
C. The study of the solid earthExplanation
Geology is the scientific study of the solid earth, including its composition, structure, and processes. It involves examining rocks, minerals, and landforms to understand the history and dynamics of the Earth's crust. Geologists study various aspects such as plate tectonics, volcanism, earthquakes, and erosion to gain insights into the formation and evolution of the Earth's surface. By focusing on the solid earth, geology provides valuable information about the planet's past, present, and future, and helps us understand natural phenomena and resources.Rate this question:
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- 21.
The thickness of the mantle is
- A.
7.5 miles
- B.
30 miles
- C.
1800 miles
- D.
4000 miles
Correct Answer
C. 1800 milesExplanation
The correct answer is 1800 miles. The mantle is the layer of the Earth located between the outer core and the Earth's crust. It is the thickest layer of the Earth, spanning approximately 1800 miles. This layer is composed of solid rock that is in a semi-molten state, and it plays a crucial role in the movement of tectonic plates and the convection currents that drive plate tectonics.Rate this question:
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- 22.
One of the two plates that make up the earth's crust - the heavier of the two
- A.
Bedrock
- B.
Continental
- C.
Igneous
- D.
Oceanic
Correct Answer
D. OceanicExplanation
The heavier of the two plates that make up the earth's crust is called the oceanic plate. This plate is made up of denser material and is found beneath the ocean basins. It is typically thinner but more dense than the continental plate. The oceanic plate is responsible for the formation of oceanic crust and is involved in processes such as subduction and seafloor spreading.Rate this question:
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- 23.
The deepest drill has gone__________________into the earth's crust.
- A.
1800 miles
- B.
14 miles
- C.
3.5 miles
- D.
7.5 miles
Correct Answer
D. 7.5 milesExplanation
The correct answer is 7.5 miles. This is the deepest the drill has gone into the earth's crust.Rate this question:
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- 24.
This process happens in the rock cycle. It is the process that happens after weathering and erosion and before cementation and compaction
- A.
Metamorphism
- B.
Deposition
- C.
Cooling
- D.
Melting
Correct Answer
B. DepositionExplanation
Deposition is the correct answer because it refers to the process in the rock cycle that occurs after weathering and erosion. During deposition, sediments are transported and deposited by wind, water, or ice, forming layers of sedimentary rocks. This process is followed by cementation and compaction, which lead to the formation of solid rock. Therefore, deposition is the most appropriate choice as it fits the sequence of events described in the question.Rate this question:
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- 25.
The lighter of the two plates that make up the earth's crust
- A.
Outer core
- B.
Continental
- C.
Oceanic
- D.
Bedrock plate
Correct Answer
B. ContinentalExplanation
Continental plates are the lighter of the two plates that make up the Earth's crust. These plates are primarily composed of less dense granite rocks and are found beneath the continents. In contrast, oceanic plates are denser and are composed of basalt rocks. The lighter nature of continental plates allows them to float on top of the heavier oceanic plates, leading to the formation of various geological features such as mountains, valleys, and plate boundaries. Therefore, the continental plate is the correct answer.Rate this question:
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- 26.
The distance to the center of the earth is
- A.
1800 miles
- B.
750 miles
- C.
3000 miles
- D.
4000 miles
Correct Answer
D. 4000 milesExplanation
The correct answer is 4000 miles because the distance to the center of the earth is commonly estimated to be around 4000 miles. This estimate is based on scientific research and measurements of the earth's radius.Rate this question:
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- 27.
The process in the rock cycle that comes after cooling before rock turns into igneous
- A.
Compaction and cementation
- B.
Solidification
- C.
Hardification
- D.
Ignification
Correct Answer
B. SolidificationExplanation
After the cooling process, the next step in the rock cycle is solidification. This refers to the process where the molten rock or magma cools and hardens, forming solid rock. During this process, the minerals within the molten rock crystallize and fuse together, creating a solid mass. Solidification is a crucial step in the formation of igneous rocks, which are formed from the cooling and solidification of molten rock material. Therefore, solidification is the correct answer as it accurately represents the stage in the rock cycle that occurs after cooling and before the rock turns into igneous.Rate this question:
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- 28.
Liquid rock is known as
- A.
Humus
- B.
Magmus
- C.
Magma
- D.
Cement
Correct Answer
C. MagmaExplanation
Magma is the correct answer because it refers to liquid rock. Magma is a molten mixture of minerals and gases that forms beneath the Earth's surface. It is produced by the melting of rocks due to high temperatures and pressure. Magma can eventually erupt onto the surface as lava during volcanic activity.Rate this question:
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- 29.
The rock cycle has __________ major processes
- A.
6
- B.
7
- C.
8
- D.
9
Correct Answer
C. 8Explanation
The rock cycle is a continuous process that involves the transformation of rocks from one type to another. It includes processes such as weathering, erosion, deposition, compaction, cementation, melting, crystallization, and metamorphism. These processes occur over time and contribute to the formation of different types of rocks. Therefore, the correct answer is 8, as there are eight major processes involved in the rock cycle.Rate this question:
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- 30.
Sedimentary rock changes into metamorphic rock due to
- A.
Hard minerals and water
- B.
Erosion and extreme heat
- C.
Extreme heat and pressure
- D.
Cementation and compaction
Correct Answer
C. Extreme heat and pressureExplanation
Sedimentary rock changes into metamorphic rock due to extreme heat and pressure. These two factors cause the minerals and structures within the sedimentary rock to rearrange and recrystallize, forming new minerals and a new rock structure. This process, known as metamorphism, can occur deep within the Earth's crust where temperatures and pressures are high. The combination of extreme heat and pressure alters the original sedimentary rock, transforming it into a metamorphic rock with different physical and chemical properties.Rate this question:
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