Summative Review Of Rock Formation

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  • 1/26 Questions

    Which of the following are the 3 types of rocks?

    • Igneous, Metamorphic, Sedimentary
    • Sedimentary, Granite, Feldspar
    • Sedimentary, Mud Rock, Igneous
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About This Quiz

A summative assessment on the formation of Rocks and The Rock Cycle

Rock Cycle Quizzes & Trivia

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  • 2. 

    What is the name for the continuous changing of rocks from one type to another?  

    • The Water Cycle

    • The Rock Cycle

    • The Life Cycle

    Correct Answer
    A. The Rock Cycle
    Explanation
    The correct answer is The Rock Cycle. The rock cycle refers to the continuous process of transformation of rocks from one type to another through various geological processes such as weathering, erosion, deposition, and lithification. It involves the formation, breakdown, and reformation of rocks over time. This cycle helps in understanding the Earth's dynamic nature and the interconnections between different types of rocks.

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  • 3. 

    Weathering can be described as:

    • The wearing away of the sides of a river bed

    • Natural forces that break down rock into smaller pieces

    • Natural minerals that help rocks grow

    Correct Answer
    A. Natural forces that break down rock into smaller pieces
    Explanation
    Weathering is the process by which natural forces, such as wind, water, and ice, break down rocks into smaller pieces. This can occur through physical processes like freezing and thawing, as well as chemical processes like oxidation and dissolution. Over time, weathering can lead to the erosion and transportation of these smaller rock fragments, shaping the landscape and contributing to the formation of soil.

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  • 4. 

    Which of the following best describes the word "weathering."

    • Natural forces that break down rock into smaller pieces

    • Natural mud at the bottom of a river

    • An option between two choices

    Correct Answer
    A. Natural forces that break down rock into smaller pieces
    Explanation
    Weathering refers to the process in which natural forces, such as wind, water, and temperature changes, gradually break down rocks into smaller pieces. This process occurs over time and can be responsible for the formation of sediment and soil. It is an essential part of the rock cycle and plays a significant role in shaping the Earth's surface.

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  • 5. 

    Which of the following would be most helpful to soil?

    • Scavengers and birds

    • Cats and dogs

    • Earthworms and mice

    Correct Answer
    A. Earthworms and mice
    Explanation
    Earthworms and mice would be most helpful to soil because they both play important roles in improving soil health. Earthworms help to break down organic matter, mix the soil, and enhance nutrient availability through their burrowing activity. They also create channels in the soil that improve water infiltration and aeration. Mice, on the other hand, contribute to soil fertility by distributing seeds and promoting the decomposition of organic material. Their burrowing activities also help to enhance soil structure and nutrient cycling. Overall, both earthworms and mice contribute to the overall health and fertility of the soil.

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  • 6. 

    Magma that has erupted out of a volcano is known as:

    • Magma

    • Lava

    • Organic matter

    Correct Answer
    A. Lava
    Explanation
    When magma erupts out of a volcano, it is known as lava. Magma is the molten rock beneath the Earth's surface, while lava is the term used for magma once it reaches the surface. As the magma rises to the surface, it cools and solidifies, forming lava. Lava can flow down the sides of a volcano or explode into the air as volcanic ash and rock fragments. Therefore, lava is the correct answer in this case.

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  • 7. 

    Soil contains organic matter such as animals that are no longer living, leaves, earthworms, and at times, dung.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    This statement is true because soil is composed of various organic materials, including dead animals, leaves, earthworms, and sometimes dung. These organic matter decompose over time and contribute to the fertility and nutrient content of the soil. Additionally, the presence of organic matter in the soil promotes the growth of microorganisms and beneficial organisms, which further enhance soil health and productivity.

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  • 8. 

    Which of the following best describes how Sedimentary Rocks are formed?

    • Rain causes rock to break down, ice freezes the rock back together to form new rock

    • Sediments are struck by lightning which causes the sediments to compact and form rock

    • Rocks weather, sediment is carried by wind or water, sediments are deposited and layers of sediment compact to form rock

    Correct Answer
    A. Rocks weather, sediment is carried by wind or water, sediments are deposited and layers of sediment compact to form rock
    Explanation
    Sedimentary rocks are formed through a process called weathering, where rocks break down into smaller particles. These smaller particles, known as sediments, are then transported by wind or water and eventually deposited. Over time, these layers of sediment become compacted and cemented together, forming sedimentary rocks. This process does not involve rain causing rocks to break down or ice freezing the rock back together. Lightning does not play a role in the formation of sedimentary rocks.

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  • 9. 

    Sedimentary Rocks are known as the hardest rocks

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Sedimentary rocks are not known as the hardest rocks. In fact, sedimentary rocks are formed by the accumulation and compression of sediments over time, which makes them relatively soft compared to other types of rocks such as igneous or metamorphic rocks. Igneous rocks, formed from the solidification of molten material, and metamorphic rocks, formed by the transformation of existing rocks under high pressure and temperature, are generally harder than sedimentary rocks. Therefore, the statement that sedimentary rocks are the hardest rocks is false.

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  • 10. 

    Which type of rock is associated with the words "Molten" and "Lava"?

    • Sedimentary

    • Metamorphic

    • Igneous

    Correct Answer
    A. Igneous
    Explanation
    Igneous rock is associated with the words "molten" and "lava" because it is formed from the solidification of molten material, such as magma or lava. When molten material cools and hardens, it forms igneous rock. This type of rock is commonly found in volcanic areas where lava erupts from the Earth's surface and cools rapidly. Therefore, the correct answer is Igneous.

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  • 11. 

    Which type of rock is known as 'the most commonly found' and 'formed in layers'?

    • Sedimentary

    • Metamorphic

    • Igneous

    Correct Answer
    A. Sedimentary
    Explanation
    Sedimentary rock is known as 'the most commonly found' because it is formed from the accumulation and compression of sediments over time. These sediments can include rocks, minerals, and organic materials. Sedimentary rock is also formed in layers, known as strata, as each layer represents a different period of deposition. This layering is a characteristic feature of sedimentary rocks and is a result of the gradual accumulation and compaction of sediments over millions of years.

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  • 12. 

    Which of the following best describes the word "sediment."

    • Non-living organic matter

    • Tiny pieces of broken rock

    • Magma that has cooled

    Correct Answer
    A. Tiny pieces of broken rock
    Explanation
    The word "sediment" refers to tiny pieces of broken rock that have been eroded and transported by water, wind, or ice and have settled at the bottom of a body of water or on land. This can include sand, silt, and clay particles. Sediment is formed through the process of weathering and erosion, and it is an important component of sedimentary rocks. Non-living organic matter refers to dead plant or animal material, and magma that has cooled refers to molten rock that has solidified. Therefore, the best description of the word "sediment" is tiny pieces of broken rock.

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  • 13. 

    Sandstone is an example of what type of rock?

    • Igneous

    • Metamorphic

    • Sedimentary

    Correct Answer
    A. Sedimentary
    Explanation
    Sandstone is a type of sedimentary rock. Sedimentary rocks are formed from the accumulation and compression of sediments over time. Sandstone specifically is composed of sand-sized grains of mineral, rock, or organic material that have been compacted and cemented together. This process occurs in environments such as beaches, deserts, and riverbeds where loose sediments are deposited and eventually lithified. Therefore, sandstone is a prime example of a sedimentary rock.

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  • 14. 

    Which of the following best describes soil?

    • Light brown in color and contains mud

    • Dark in color and contains organic matter and nutrients

    • Medium brown in color and contains broken pieces of rock

    Correct Answer
    A. Dark in color and contains organic matter and nutrients
    Explanation
    Soil is described as dark in color because it contains organic matter and nutrients. This organic matter, such as decomposed plant and animal material, gives soil its dark color. Additionally, the presence of nutrients in the soil is essential for supporting plant growth. Soil also contains minerals and broken pieces of rock, but these characteristics are not the best description of soil.

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  • 15. 

    This type of rock is the most common rock found.

    • Sedimentary

    • Metamorphic

    • Igneous

    Correct Answer
    A. Sedimentary
    Explanation
    Sedimentary rock is the most common rock found because it is formed by the accumulation and compaction of sediments over time. These sediments can come from the erosion of other rocks, the remains of plants and animals, or chemical precipitation. Sedimentary rocks cover about 75% of the Earth's surface and are found in various environments such as riverbeds, ocean floors, and deserts. They are characterized by their layered structure and often contain fossils, making them important for understanding Earth's history and past environments.

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  • 16. 

    When heat and pressure cause a rock to change, this type of rock is formed  

    • Sedimentary

    • Metamorphic

    • Igneous

    Correct Answer
    A. Metamorphic
    Explanation
    When heat and pressure are applied to a rock, it undergoes a process called metamorphism and transforms into a different type of rock known as metamorphic rock. This process occurs deep within the Earth's crust where the rock is subjected to intense heat and pressure, causing its minerals and texture to change. Metamorphic rocks often have distinct layers and bands, and examples include marble, slate, and gneiss.

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  • 17. 

    What is the liquid beneath the Earth's surface called? 

    • Lava

    • Magma

    • Silica

    Correct Answer
    A. Magma
    Explanation
    Magma is the correct answer because it refers to the molten rock and fluid material beneath the Earth's surface. Lava, on the other hand, is the term used for magma that reaches the Earth's surface during a volcanic eruption. Silica is a compound found in magma, but it is not the correct term for the liquid beneath the Earth's surface.

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  • 18. 

    What type of rock forms when melted rock cools and solidifies?

    • Sedimentary

    • Metamorphic

    • Igneous

    Correct Answer
    A. Igneous
    Explanation
    When melted rock cools and solidifies, it forms igneous rock. Igneous rocks are formed from the cooling and solidification of molten material, either magma (below the Earth's surface) or lava (on the Earth's surface). This process allows the minerals and crystals within the molten material to arrange themselves into a solid state, creating igneous rock.

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  • 19. 

    What process is responsible for breaking down rocks into smaller and smaller pieces?  

    • Erosion

    • Compaction

    • Weathering

    Correct Answer
    A. Weathering
    Explanation
    Weathering is the process responsible for breaking down rocks into smaller and smaller pieces. It occurs due to various factors such as temperature changes, wind, water, and chemical reactions. Over time, these factors cause the physical and chemical breakdown of rocks, leading to their fragmentation and disintegration. Erosion, on the other hand, is the process of transporting and depositing the weathered rock particles, while compaction refers to the process of compressing sedimentary particles to form sedimentary rocks. Therefore, weathering is the correct answer as it specifically addresses the breaking down of rocks into smaller pieces.

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  • 20. 

    Which type of rock is known as "the hardest rock type?"

    • Sedimentary

    • Metamorphic

    • Igneous

    Correct Answer
    A. Metamorphic
    Explanation
    Metamorphic rock is known as "the hardest rock type" because it is formed through the process of metamorphism, which involves intense heat and pressure causing the existing rock to recrystallize and become more compact and durable. This process results in the formation of minerals with strong interlocking bonds, making metamorphic rocks highly resistant to weathering and erosion. Examples of metamorphic rocks include marble and quartzite, which are known for their hardness and durability.

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  • 21. 

    Igneous rocks that are shiny, look like glass and have tiny crystals mean: 

    • The lava cooled quicky

    • The lava cooled slowly

    • The lava did not cool at all

    Correct Answer
    A. The lava cooled quicky
    Explanation
    The correct answer is "The lava cooled quickly." Igneous rocks that are shiny, look like glass, and have tiny crystals indicate that the lava cooled rapidly. When lava cools quickly, there is not enough time for large crystals to form, resulting in a fine-grained texture and a shiny appearance.

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  • 22. 

    Which type of rock is formed in layers?

    • Igneous

    • Metamorphic

    • Sedimentary

    Correct Answer
    A. Sedimentary
    Explanation
    Sedimentary rocks are formed in layers through the process of sedimentation. Over time, sediments such as sand, silt, and clay accumulate and are compacted together. These layers can be easily distinguished due to differences in color, texture, and composition. Sedimentary rocks often contain fossils, as they are formed from the remains of plants, animals, and other organic materials. Examples of sedimentary rocks include sandstone, limestone, and shale.

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  • 23. 

    When a river carries away rock particles, sand, sediment and dirt, this is known as the process of:

    • Weathering

    • Erosion

    • Eruption

    Correct Answer
    A. Erosion
    Explanation
    Erosion is the correct answer because it refers to the process of a river carrying away rock particles, sand, sediment, and dirt. Weathering, on the other hand, refers to the breakdown of rocks and minerals on the Earth's surface, while eruption refers to the sudden release of volcanic materials.

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  • 24. 

    Which of the following represents the 3 layers of soil?

    • Clay, Silt, Sand

    • Clay, Subsoil, Dirt

    • Topsoil, Subsoil, Bedrock

    Correct Answer
    A. Topsoil, Subsoil, Bedrock
    Explanation
    The answer "Topsoil, Subsoil, Bedrock" represents the 3 layers of soil. The topsoil is the uppermost layer and contains the most organic matter and nutrients. The subsoil is the layer beneath the topsoil and is typically denser and contains less organic matter. The bedrock is the solid rock layer that underlies the soil layers. These three layers make up the composition of soil and play important roles in supporting plant growth and providing a habitat for various organisms.

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  • 25. 

    Within which of the following would I find the mineral Silica?

    • Sand

    • Clay

    • Mud

    Correct Answer
    A. Sand
    Explanation
    Silica is a mineral that is commonly found in sand. Sand is made up of small particles of rock and minerals, and silica is one of the main components. It is also found in other types of rocks and minerals, but sand is the most common place to find silica. Clay and mud, on the other hand, do not typically contain high amounts of silica.

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  • 26. 

    Igneous rocks that have large crystals means that the lava cooled quickly as it was formed

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Igneous rocks that have large crystals do not necessarily mean that the lava cooled quickly as it was formed. In fact, large crystals usually indicate slow cooling of magma deep within the Earth's crust, allowing enough time for the crystals to grow. On the other hand, rapid cooling of lava at the Earth's surface typically results in the formation of small crystals or even glassy textures. Therefore, the statement is false.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 23, 2011
    Quiz Created by
    Mac_edu
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