A Unique Quiz On Sedimentary And Metamorphic Rocks

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A Unique Quiz On Sedimentary And Metamorphic Rocks - Quiz


Sedimentary rocks are formed from the products of weathering on
the Earth's surface where as Metamorphic rocks are formed by
temperature and pressure changes inside the Earth. What more
do you know about these types of rocks? Take this unique quiz
and find out what more you know about these types of rocks.


Questions and Answers
  • 1. 

    Identify this rock.

    • A.

      Obsidian

    • B.

      Pumice

    • C.

      Basalt

    Correct Answer
    A. Obsidian
    Explanation
    good job! Yes this is Obsidian, or flint rock

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  • 2. 

                                             Sandstone

    • A.

      Igneous Rock

    • B.

      Metamorphic Rock

    • C.

      Sedimentary Rock

    Correct Answer
    C. Sedimentary Rock
    Explanation
    Sandstone is a type of sedimentary rock. Sedimentary rocks are formed from the accumulation and consolidation of sediments, which can include particles of sand, gravel, silt, and clay. Sandstone specifically is composed primarily of sand-sized grains of mineral, rock, or organic material. It is formed through the process of cementation, where the sediments are compacted and bound together by minerals such as silica or calcium carbonate. Therefore, the correct answer is Sedimentary Rock.

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  • 3. 

                                                 Pumice

    • A.

      Igneous Rock

    • B.

      Metamorphic Rock

    • C.

      Sedimentary Rock

    Correct Answer
    A. Igneous Rock
    Explanation
    Pumice is a type of igneous rock. Igneous rocks are formed from the solidification of molten material, either magma or lava. Pumice is formed when lava with a high gas content erupts from a volcano and cools rapidly, trapping the gas bubbles within the rock. This gives pumice its unique porous and lightweight characteristics. Therefore, the correct answer is Igneous Rock.

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  • 4. 

                               Migmatite

    • A.

      Igneous Rock

    • B.

      Metamorphic Rock

    • C.

      Sedimentary Rock

    Correct Answer
    B. Metamorphic Rock
    Explanation
    Migmatite is a type of rock that is formed when a pre-existing rock undergoes both melting and solidification. This process occurs under high temperature and pressure conditions, which are characteristic of metamorphic environments. Therefore, migmatite is classified as a metamorphic rock.

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  • 5. 

                                     Marble

    • A.

      Igneous Rock

    • B.

      Metamorphic Rock

    • C.

      Sedimentary Rock

    Correct Answer
    B. Metamorphic Rock
    Explanation
    Marble is a type of rock that is formed from the metamorphism of limestone. Metamorphism is the process by which existing rocks are changed by heat and pressure deep within the Earth's crust. In the case of marble, the original limestone is subjected to high temperatures and pressure, causing it to recrystallize and form a new rock with a distinct crystalline structure. This process also gives marble its characteristic smooth texture and variety of colors. Therefore, the correct answer is "Metamorphic Rock".

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  • 6. 

                                              Rock Salt

    • A.

      Igneous Rock

    • B.

      Metamorphic Rock

    • C.

      Sedimentary Rock

    Correct Answer
    C. Sedimentary Rock
    Explanation
    Sedimentary rocks are formed from the accumulation and consolidation of sediments, which are particles of rock, mineral, or organic material that have been transported and deposited by wind, water, or ice. Over time, these sediments are compacted and cemented together to form solid rock. Examples of sedimentary rocks include sandstone, limestone, and shale. This type of rock often contains fossils, which can provide valuable information about past environments and life forms. Sedimentary rocks are commonly found in layers or strata, and they cover about 75% of the Earth's surface.

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  • 7. 

                                          Granite

    • A.

      Igneous Rock

    • B.

      Metamorphic Rock

    • C.

      Sedimentary Rock

    Correct Answer
    A. Igneous Rock
    Explanation
    Granite is classified as an igneous rock because it is formed from the cooling and solidification of molten magma or lava. Igneous rocks are formed through the process of crystallization, where the molten material cools and hardens, resulting in the formation of interlocking mineral crystals. Granite is composed mainly of quartz, feldspar, and mica minerals, which are commonly found in igneous rocks. It is a coarse-grained rock with a granular texture and is commonly used as a building material due to its durability and aesthetic appeal.

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  • 8. 

                                      Fossiliferous Limestone

    • A.

      Igneous Rock

    • B.

      Metamorphic Rock

    • C.

      Sedimentary Rock

    Correct Answer
    C. Sedimentary Rock
    Explanation
    Sedimentary rocks are formed from the accumulation and compaction of sediments over time. Fossiliferous limestone is a type of sedimentary rock that contains fossils, indicating that it was formed from the remains of plants or animals that lived long ago. Igneous rocks are formed from the cooling and solidification of molten material, while metamorphic rocks are formed from the transformation of existing rocks due to high pressure and temperature. Therefore, the correct answer is sedimentary rock.

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  • 9. 

                                                Gneiss

    • A.

      Igneous Rock

    • B.

      Metamorphic Rock

    • C.

      Sedimentary Rock

    Correct Answer
    B. Metamorphic Rock
    Explanation
    Gneiss is a type of metamorphic rock. Metamorphic rocks are formed when existing rocks undergo changes in temperature, pressure, or chemical composition. Gneiss is formed from the metamorphism of pre-existing rocks such as granite or shale. During metamorphism, the minerals in the rock recrystallize and align, giving gneiss its characteristic banded appearance. This process of metamorphism can occur deep within the Earth's crust due to tectonic forces or during the formation of mountain ranges. Therefore, gneiss is classified as a metamorphic rock.

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  • 10. 

                                            Breccia

    • A.

      Igneous Rock

    • B.

      Metamorphic Rock

    • C.

      Sedimentary Rock

    Correct Answer
    C. Sedimentary Rock
    Explanation
    Sedimentary rocks are formed by the accumulation and compaction of sediments over time. These sediments can include fragments of other rocks, minerals, and organic matter. Breccia is a type of sedimentary rock that is composed of angular fragments of other rocks cemented together. Therefore, the given correct answer, "Sedimentary Rock," is an accurate classification for breccia.

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  • 11. 

                        Coquina

    • A.

      Igneous Rock

    • B.

      Metamorphic Rock

    • C.

      Sedimentary Rock

    Correct Answer
    C. Sedimentary Rock
    Explanation
    Coquina is a type of sedimentary rock. It is formed from the accumulation of shell fragments and sand grains. Over time, these shell fragments and sand grains are compacted and cemented together to form a solid rock. This process typically occurs in shallow marine environments where there is a high concentration of shells and sand. Therefore, the correct answer is Sedimentary Rock.

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  • 12. 

                                 Basalt

    • A.

      Igneous Rock

    • B.

      Metamorphic Rock

    • C.

      Sedimentary Rock

    Correct Answer
    A. Igneous Rock
    Explanation
    Basalt is classified as an igneous rock because it forms from the solidification of molten lava or magma. Igneous rocks are formed through the cooling and solidification of molten material, either on the Earth's surface as lava or below the surface as magma. Basalt is a common type of igneous rock that is typically dark in color and has a fine-grained texture. It is formed from the rapid cooling of lava, usually as a result of volcanic activity.

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  • 13. 

    Identify this Rock.

    • A.

      Basalt

    • B.

      Granite

    • C.

      Obsidian

    Correct Answer
    B. Granite
    Explanation
    Granite is a common type of igneous rock that is typically composed of quartz, feldspar, and mica. It is known for its coarse-grained texture and can range in color from pink to gray. Granite is often used in construction as a building material due to its durability and aesthetic appeal. It is also commonly used for countertops and flooring.

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  • 14. 

    Weathering of rocks and the movement of weathered materials are processes powered by the shift of dark matter in space....

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement suggests that weathering of rocks and the movement of weathered materials are powered by the shift of dark matter in space. However, this is incorrect. Weathering of rocks is primarily caused by physical, chemical, and biological processes on Earth's surface, such as temperature changes, water, wind, and living organisms. The movement of weathered materials is typically driven by gravity, erosion, and transportation mechanisms like rivers, glaciers, and wind. Dark matter, on the other hand, is a hypothetical form of matter that does not interact with electromagnetic radiation and is not directly involved in these processes. Therefore, the correct answer is False.

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  • 15. 

    External processes such as water, air and living things produces sedimentary rocks.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    External processes such as water, air, and living things can indeed contribute to the formation of sedimentary rocks. Water can transport sediment and deposit it in layers, which over time can become compacted and cemented to form sedimentary rocks. Air can also weather rocks, breaking them down into smaller particles that can then be transported and deposited as sediment. Living things, such as plants and animals, can contribute to the formation of sedimentary rocks through processes like the accumulation of shells or the binding of sediment with organic material. Therefore, the statement is true.

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  • 16. 

    Weathered pieces of Earth elements are defined as _______________________ .

    Correct Answer
    sediment
    sediments
    Explanation
    Weathered pieces of Earth elements are defined as sediment or sediments. Sediment refers to the particles of rock, minerals, or organic material that have been weathered and eroded from their original location and deposited elsewhere. These sediments can be transported by water, wind, or ice, and eventually settle and accumulate in layers. Sediments can vary in size, from tiny clay particles to larger sand, gravel, or even boulder-sized fragments. Sediments play a crucial role in the formation of sedimentary rocks and provide valuable information about Earth's history and past environments.

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  • 17. 

    ______________________ is a process in which rocks are broken down by water, air, and living things.

    Correct Answer
    weathering
    Explanation
    Weathering is the process by which rocks are broken down through various factors such as water, air, and living organisms. Water can seep into cracks in rocks and freeze, causing the rock to break apart. Air can react with certain minerals in rocks, causing them to decay or crumble. Living organisms like plants and animals can also contribute to weathering by their physical actions or by producing chemicals that break down rocks. Overall, weathering plays a crucial role in the breakdown and alteration of rocks over time.

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  • 18. 

    What kind of rock most often contains fossils?

    • A.

      Igneous

    • B.

      Sedimentary

    • C.

      Metamorphic

    Correct Answer
    B. Sedimentary
    Explanation
    Sedimentary rock most often contains fossils because it is formed from the accumulation of sediment, such as sand, mud, or organic matter, over time. Fossils are the remains or traces of ancient organisms that have been preserved in sedimentary rock layers. As sediment builds up and hardens into rock, it can preserve the fossils within it, providing valuable evidence of past life on Earth. Igneous and metamorphic rocks, on the other hand, are formed through processes that involve heat and pressure, which typically destroy any fossils that may have been present.

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  • 19. 

    What are sedimentary rocks made of?

    • A.

      Molten rock that has cooled

    • B.

      Pieces of other rocks that have collected and cemented together

    • C.

      Petrified trees

    Correct Answer
    B. Pieces of other rocks that have collected and cemented together
    Explanation
    Sedimentary rocks are formed from the accumulation and compaction of sediments, which are small pieces of other rocks, minerals, and organic materials. Over time, these sediments are deposited and undergo processes such as compaction and cementation, where the sediments are squeezed together and bound by minerals, forming solid sedimentary rocks. This process occurs in environments such as rivers, oceans, and deserts, where sediments are transported and deposited. Therefore, the correct answer is "pieces of other rocks that have collected and cemented together."

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  • 20. 

    How are rocks classified?

    • A.

      Color, mass, atoms, size

    • B.

      Location, mass, protons, color

    • C.

      Texture, color, softness, grain size

    • D.

      Color, size, shape, layering, size of the mineral grains

    Correct Answer
    D. Color, size, shape, layering, size of the mineral grains
    Explanation
    Rocks are classified based on their color, size, shape, layering, and the size of the mineral grains they contain. These characteristics provide valuable information about the rock's composition, formation process, and geological history. Color can indicate the presence of certain minerals or impurities, while size and shape can suggest the rock's origin and how it was formed. Layering and the size of mineral grains can provide insights into the rock's texture and structure. Therefore, considering these factors helps in categorizing rocks into different types and understanding their properties.

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  • 21. 

    How are chemical rocks formed?

    • A.

      By chemical change

    • B.

      Made by fossils under an oil rig

    • C.

      They are formed under the ground by magma

    • D.

      Ocean water thats rich in minerals

    Correct Answer
    D. Ocean water thats rich in minerals
    Explanation
    Chemical rocks are formed by the process of precipitation from ocean water that is rich in minerals. As the water evaporates or becomes oversaturated with minerals, these minerals start to crystallize and form solid rock structures. Over time, these rocks accumulate and can be found in various geological formations. This process is different from the formation of rocks through the cooling and solidification of magma or the accumulation of fossils under an oil rig.

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  • 22. 

    What are the types of sedimentary rocks?

    • A.

      Igneous, Detrital, Basalt

    • B.

      Organic, Metamorphic, Sedimentary

    • C.

      Balsalt, Clastic, Chemical

    • D.

      Clastic, Organic, Chemical

    Correct Answer
    D. Clastic, Organic, Chemical
    Explanation
    The correct answer is Clastic, Organic, Chemical. Sedimentary rocks are classified into three main types based on their formation process: clastic, organic, and chemical. Clastic sedimentary rocks are formed from the accumulation of fragments of pre-existing rocks. Organic sedimentary rocks are formed from the accumulation and compression of organic materials, such as plant and animal remains. Chemical sedimentary rocks are formed from the precipitation of minerals from solution. Basalt is an igneous rock, not a sedimentary rock, and detrital and metamorphic are not types of sedimentary rocks.

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  • 23. 

    Why are fossils useful?

    • A.

      They are pretty designs of dinosaurs

    • B.

      They are used to make fuel for cars

    • C.

      They allow us to reveal once-living creatures and plants

    • D.

      To put up in museums so people can see them

    Correct Answer
    C. They allow us to reveal once-living creatures and plants
    Explanation
    Fossils are useful because they provide evidence of past life on Earth. By studying fossils, scientists can learn about the ancient organisms that lived millions of years ago, including dinosaurs and plants. Fossils help us understand the history of life on Earth, how species have evolved over time, and how ecosystems have changed. They are important for reconstructing the past and gaining insights into the diversity and adaptation of organisms.

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  • 24. 

    Whats the most common type of sedimetary rock?

    • A.

      Metamorphic

    • B.

      Organic

    • C.

      Chemical

    • D.

      Clastic

    Correct Answer
    D. Clastic
    Explanation
    Clastic sedimentary rocks are formed from the accumulation of weathered and eroded fragments of other rocks, known as clasts. These clasts are transported by wind, water, or ice and then deposited and compacted to form a new rock. Clastic rocks are the most common type of sedimentary rock as they are formed in various environments, such as rivers, lakes, and oceans, where sedimentation occurs. Metamorphic rocks are formed from the transformation of pre-existing rocks due to heat and pressure, while organic rocks are formed from the remains of plants and animals. Chemical rocks are formed by the precipitation of minerals from a solution.

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  • 25. 

    Please identify this National Park.

    • A.

      Devil's Post Piles

    • B.

      Devil's Tower

    • C.

      Devil's Bathroom

    Correct Answer
    A. Devil's Post Piles
    Explanation
    Devil's Post Piles is a National Park located in California, known for its unique geological formations. The name "Devil's Post Piles" refers to the tall, columnar basalt formations that resemble a pile of posts. These formations were created by volcanic activity and subsequent erosion. The park offers visitors the opportunity to hike and explore the unique landscape, as well as learn about the geological processes that formed the post piles.

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  • 26. 

    Please identify this National Park.

    • A.

      Devil's Post Piles

    • B.

      Devil's Courthouse

    • C.

      Devil's Tower

    Correct Answer
    C. Devil's Tower
    Explanation
    Devil's Tower is a famous national park located in Wyoming, USA. It is a unique geological formation that rises dramatically above the surrounding landscape. The tower is composed of igneous rock columns that were formed by the cooling and solidification of molten lava millions of years ago. It is a popular destination for rock climbing and hiking, offering stunning views of the surrounding area. Devil's Tower is also culturally significant, as it holds spiritual and historical importance for several Native American tribes. It was designated as the first national monument in the United States in 1906.

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  • Apr 16, 2024
    Quiz Edited by
    ProProfs Editorial Team
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    Quiz Created by
    Rdteague
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