Rocks And Minerals Exam: Quiz!
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Questions and Answers
- 1.
All of these are the three types of rocks except?
- A.
Igneous
- B.
Sedimentary
- C.
Fossil
- D.
Metamorphic
Correct Answer
C. FossilExplanation
The given question asks to identify the type of rock that is not included among the three options provided. The options given are igneous, sedimentary, fossil, and metamorphic. Igneous and sedimentary are both well-known types of rocks, and metamorphic is also a valid type of rock formed through the process of metamorphism. However, fossil is not a type of rock but rather the remains or traces of ancient plants and animals preserved in rocks. Therefore, the correct answer is fossil.Rate this question:
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- 2.
Rocks are made up of tiny pieces called ________________
- A.
Magma
- B.
Sediments
- C.
Minerals
- D.
Earth
Correct Answer
C. MineralsExplanation
Rocks are composed of minerals, which are naturally occurring inorganic substances with a specific chemical composition and crystal structure. These minerals form the building blocks of rocks and give them their characteristic properties and appearance. Magma refers to molten rock material beneath the Earth's surface, sediments are small particles of rock or organic material that accumulate over time, and Earth is the planet on which rocks are found. Therefore, the correct answer is minerals.Rate this question:
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- 3.
An example of a sedimentary rock is ___________________
- A.
Granite
- B.
Sandstone
- C.
Marble
Correct Answer
B. SandstoneExplanation
Sandstone is an example of a sedimentary rock because it is formed from the accumulation and compaction of sand grains over time. Sedimentary rocks are formed through the processes of weathering, erosion, deposition, and lithification. In the case of sandstone, the sand grains are typically cemented together by minerals such as silica or calcium carbonate. This process occurs in environments such as beaches, riverbeds, or deserts where there is an abundant supply of sand. Sandstone is easily identifiable by its grainy texture and often contains visible layers or bedding planes.Rate this question:
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- 4.
What layer of the Earth do we live on?
Correct Answer
crustExplanation
We live on the crust of the Earth, which is the outermost layer. The crust is the thinnest layer and is made up of solid rock. It is where all life on Earth exists, including humans. The crust is divided into several tectonic plates that constantly move and interact with each other, resulting in earthquakes, volcanic activity, and the formation of mountains.Rate this question:
- 5.
The process in which rocks change into different types of rocks is called ____ ______ _______
Correct Answer
the rock cycle
rock cycle
therockcycle
rockcycleExplanation
The correct answer is "the rock cycle, rock cycle, therockcycle, rockcycle." The process in which rocks change into different types of rocks is known as the rock cycle. This cycle involves the continuous transformation of rocks through various processes such as weathering, erosion, deposition, compaction, and cementation. These processes occur over long periods of time and can result in the formation of sedimentary, igneous, and metamorphic rocks.Rate this question:
- 6.
How many layers of the Earth are there?
- A.
Two
- B.
Three
- C.
Four
- D.
Five
Correct Answer
C. FourExplanation
There are four layers of the Earth: the crust, mantle, outer core, and inner core. The crust is the outermost layer, followed by the mantle which is made up of solid rock. The outer core is composed of liquid iron and nickel, while the inner core is a solid ball of iron and nickel. These layers differ in terms of their composition, temperature, and physical properties.Rate this question:
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- 7.
Igneous rocks are formed when the lava from a volcano cools down.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Igneous rocks are indeed formed when the lava from a volcano cools down. Lava is molten rock that is expelled from a volcano during an eruption. When this lava comes into contact with the cooler air or water, it rapidly cools and solidifies, forming igneous rocks. These rocks can have different textures and compositions depending on the rate of cooling and the mineral content of the lava. Therefore, the statement "Igneous rocks are formed when the lava from a volcano cools down" is true.Rate this question:
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- 8.
Igneous rocks turn into sedimentary rocks through what process?
- A.
Weathering and erosion
- B.
Cooling and melting
- C.
Heat and pressure
Correct Answer
A. Weathering and erosionExplanation
Igneous rocks can turn into sedimentary rocks through the process of weathering and erosion. Weathering refers to the breakdown of rocks into smaller fragments by physical, chemical, or biological processes. Erosion, on the other hand, involves the transportation and deposition of these fragmented rocks by wind, water, or ice. Over time, these sediments can accumulate and become compacted and cemented together, forming sedimentary rocks. This process is responsible for the transformation of igneous rocks into sedimentary rocks.Rate this question:
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- 9.
Layers of sand, pebbles, and shells that build up over time are called ____________
Correct Answer
sediments
sedimentExplanation
The correct answer is "sediments" or "sediment" because layers of sand, pebbles, and shells that accumulate over time are known as sediments. Sediments are formed through the process of erosion, weathering, and deposition, and they can eventually become compacted and cemented together to form sedimentary rocks.Rate this question:
- 10.
The texture of the rock, tells what about the rock?
- A.
How shiny or dull it is
- B.
How much it scratches other rocks
- C.
How soft/smooth or hard/rough it is
Correct Answer
C. How soft/smooth or hard/rough it isExplanation
The texture of a rock refers to its surface characteristics, including how soft/smooth or hard/rough it is. By examining the texture of a rock, one can determine whether it has a smooth or rough surface. This information can be useful in identifying the type of rock and understanding its formation process.Rate this question:
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Mar 20, 2023Quiz Edited by
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Nov 30, 2009Quiz Created by
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