Rocks & Rock Cycle

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Rocks & Rock Cycle - Quiz

This quiz is designed to get you to apply what you have learned concerning the three types of rocks, how they are formed and how they change from one form to another. You can use your book or ppt notes but this must be taken individually! You can take this up to 2 times and the better of the two scores will be recorded.


Questions and Answers
  • 1. 

    Which of the following would you expect to find around volcanic rims of craters?

    • A.

      Igneous Rocks

    • B.

      Sedimentary Rocks

    • C.

      Metamorphic Rocks

    • D.

      Outer space Rocks

    Correct Answer
    A. Igneous Rocks
    Explanation
    Volcanic rims of craters are formed by the eruption of molten lava from the Earth's interior. Therefore, it is expected to find igneous rocks around volcanic rims of craters. Igneous rocks are formed when molten lava cools and solidifies, making them the most likely type of rocks to be found in this specific geological feature. Sedimentary rocks are formed by the accumulation and compaction of sediments, while metamorphic rocks are formed by the transformation of preexisting rocks due to high heat and pressure. Outer space rocks, such as meteorites, are not typically found around volcanic rims of craters.

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  • 2. 

    Which of the three types of rocks would you expect to show signs that fragments of other rocks or materials were compacted and cemented together?

    • A.

      Igneous Rocks

    • B.

      Sedimentary Rocks

    • C.

      Metamorphic Rocks

    • D.

      Intrusive Rocks

    Correct Answer
    B. Sedimentary Rocks
    Explanation
    Sedimentary rocks would be expected to show signs of fragments of other rocks or materials being compacted and cemented together because they are formed through the accumulation and consolidation of sediment, which includes fragments of other rocks, minerals, and organic materials. This process occurs over time as layers of sediment are deposited, compressed, and cemented, resulting in the formation of sedimentary rocks.

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  • 3. 

    TRUE or FALSE:   Sedimentary rocks and Metamorphic rocks both experience compaction or pressure from the weight of overlying rock layers.

    • A.

      TRUE

    • B.

      FALSE

    Correct Answer
    A. TRUE
    Explanation
    Sedimentary rocks and metamorphic rocks both experience compaction or pressure from the weight of overlying rock layers. This is because both types of rocks are formed from pre-existing rocks and are subjected to heat and pressure during their formation. The weight of the overlying rock layers causes the grains in sedimentary rocks to become tightly packed, forming sedimentary layers. Similarly, in the case of metamorphic rocks, the intense heat and pressure cause the minerals in the rock to recrystallize and form new structures. Therefore, it is true that both types of rocks experience compaction or pressure from the weight of overlying rock layers.

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  • 4. 

    If a rock has parallel layers and dull, earthy colors, it's most likely which type of rock?

    • A.

      Igneous

    • B.

      Sedimentary

    • C.

      Metamorphic

    Correct Answer
    B. Sedimentary
    Explanation
    A rock with parallel layers and dull, earthy colors is most likely a sedimentary rock. Sedimentary rocks are formed from the accumulation and consolidation of sediments, such as sand, mud, and organic material, which often settle in layers over time. The parallel layers in the rock suggest that it was formed through the process of deposition and compaction. The dull, earthy colors are also characteristic of sedimentary rocks, which often contain minerals and organic matter that give them a muted appearance.

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  • 5. 

    Coal is a natural resource that forms from the chemical change and compaction of dead, organic matter over long periods of time. This would qualify coal as?

    • A.

      Igneous

    • B.

      Sedimentary

    • C.

      Metamorphic

    Correct Answer
    B. Sedimentary
    Explanation
    Coal is formed through the process of compaction and chemical change of dead organic matter over millions of years. This process occurs in layers or beds, indicating that coal is a sedimentary rock. Sedimentary rocks are formed from the accumulation and consolidation of sediments, which in the case of coal, are the remains of plants and other organic materials. Therefore, the correct answer is sedimentary.

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  • 6. 

    A limestone (sedimentary) rock has been pressurized to become a more dense, durable marble. This is an example of?

    • A.

      Cooling and hardening of lava

    • B.

      Sediments compacted together forming another sedimentary rock

    • C.

      Metamorphism

    Correct Answer
    C. Metamorphism
    Explanation
    The given scenario describes the process of metamorphism, where a limestone rock undergoes intense pressure and becomes a denser and more durable marble. Metamorphism is the process by which rocks are transformed through heat, pressure, or chemical reactions, resulting in the formation of new rocks with different mineral composition and texture. In this case, the limestone rock has been subjected to pressure, causing it to undergo metamorphism and transform into marble.

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  • 7. 

    TRUE  or   FALSE:  Igneous rocks cool slowly beneath the earth's surface due to the closeness to the heat of the mantle.

    • A.

      TRUE

    • B.

      FALSE

    Correct Answer
    A. TRUE
    Explanation
    Igneous rocks cool slowly beneath the earth's surface due to the closeness to the heat of the mantle. This is because the mantle is the layer of the Earth that is closest to the core, where the highest temperatures are found. As magma rises towards the surface, it cools and solidifies, forming igneous rocks. The slower the cooling process, the larger the crystals that form within the rock. Therefore, it is true that igneous rocks cool slowly beneath the earth's surface due to the closeness to the heat of the mantle.

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  • 8. 

    Which of the following sets would you expect to find layering in the rock?

    • A.

      Igneous and Sedimentary

    • B.

      Igneous and Metamorphic

    • C.

      Sedimentary and Metamorphic

    • D.

      All 3 types of rock

    Correct Answer
    C. Sedimentary and Metamorphic
    Explanation
    Layering in rocks is typically found in sedimentary and metamorphic rocks. Sedimentary rocks are formed from the accumulation and cementation of sediments, which often results in distinct layers. Metamorphic rocks, on the other hand, are formed from the transformation of existing rocks due to intense heat and pressure, which can create foliation or banding. Igneous rocks, formed from the solidification of molten material, do not typically exhibit layering. Therefore, the correct answer is Sedimentary and Metamorphic.

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  • 9. 

    In order for lava to eventually become sedimentary rocks, which of the following sequence of actions would be most logical?

    • A.

      Lava cools and hardens, then becomes weathered and eroded, sediments become deposited and melted back into lava

    • B.

      Lava cools and hardens, immediately becomes exposed to heat, changes into a harder, more dense rock

    • C.

      Lava cools and hardens, becomes weathered and eroded into sediments, sediments become deposited, compacted and cemented together

    • D.

      Lava cools slowly beneath the earth's surface and remains here

    Correct Answer
    C. Lava cools and hardens, becomes weathered and eroded into sediments, sediments become deposited, compacted and cemented together
    Explanation
    The correct answer is that lava cools and hardens, becomes weathered and eroded into sediments, sediments become deposited, compacted, and cemented together. This sequence of actions is most logical because it follows the process of how sedimentary rocks are formed. Lava first cools and hardens to form igneous rocks. Then, over time, weathering and erosion break down the igneous rocks into sediments. These sediments are then transported and deposited by natural forces. Over time, the sediments get compacted and cemented together, forming sedimentary rocks.

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  • 10. 

    Which of the following could obsidian, the black, volcanic glass, become over thousands of years?

    • A.

      Sediments

    • B.

      A sedimentary rock

    • C.

      A metamorphic rock

    • D.

      Lava

    • E.

      All of the above

    Correct Answer
    E. All of the above
    Explanation
    Obsidian, the black volcanic glass, can become all of the above over thousands of years. It can be broken down into sediments and then compacted and cemented to form a sedimentary rock. Under high pressure and temperature, it can also undergo metamorphism and transform into a metamorphic rock. Additionally, if it is re-melted and ejected from a volcano, it can once again become lava. Therefore, all of the options are possible outcomes for obsidian over a long period of time.

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  • 11. 

    Examine the picture. This is most likely which type of rock?

    • A.

      Igneous

    • B.

      Sedimentary

    • C.

      Metamorphic

    Correct Answer
    A. Igneous
    Explanation
    Based on the picture, the rock appears to have a coarse-grained texture and a crystalline structure, indicating that it has solidified from molten magma or lava. This suggests that the rock is most likely an igneous rock, which is formed through the cooling and solidification of molten material.

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  • 12. 

    Examine the picture. These are most likely which type of rock?

    • A.

      Igneous

    • B.

      Sedimentary

    • C.

      Metamorphic

    Correct Answer
    B. Sedimentary
    Explanation
    Based on the picture, the rock appears to have layers or bands, which is a characteristic commonly found in sedimentary rocks. Sedimentary rocks are formed from the accumulation and consolidation of sediments, such as sand, mud, and organic material, over time. These sediments are often deposited in layers, which can be seen in the picture. Therefore, the most likely type of rock depicted in the picture is sedimentary.

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  • 13. 

    Examine the picture. This is most likely which type of rock? (Hint: These are bands of color!)

    • A.

      Igneous

    • B.

      Sedimentary

    • C.

      Metamorphic

    Correct Answer
    C. Metamorphic
    Explanation
    The picture shows bands of color, indicating that the rock has undergone a process of metamorphism, which involves the transformation of existing rocks under high pressure and temperature conditions. This process often results in the formation of distinct bands or layers of different minerals or colors, as seen in the picture. Therefore, the rock in the picture is most likely a metamorphic rock.

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  • 14. 

    Examine the picture. Which of the following most accurately explains how this rock was formed?

    • A.

      Slow cooling of lava above the earth's surface

    • B.

      Slow cooling of lava beneath the earth's surface

    • C.

      Fast cooling of lava above the earth's surface

    • D.

      Fast cooling of lava beneath the earth's surface

    • E.

      Sediments compacted and cemented together

    Correct Answer
    C. Fast cooling of lava above the earth's surface
    Explanation
    The picture shows a rock with a smooth and glassy texture, which is characteristic of fast cooling. When lava cools quickly above the earth's surface, it does not have enough time to form large mineral crystals, resulting in a fine-grained texture. This is consistent with the appearance of the rock in the picture. Slow cooling of lava above the earth's surface would result in larger mineral crystals, while cooling beneath the earth's surface would result in a different type of rock formation altogether. Sediments compacting and cementing together is a process unrelated to the formation of this particular rock.

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  • 15. 

    Examine the picture. Which of the following most accurately explains how this rock was formed?

    • A.

      Sediments of other rocks were compacted and cemented together

    • B.

      Slow cooling of lava beneath the earth's surface

    • C.

      A pre-existing rock undergoing great heat and pressure

    Correct Answer
    A. Sediments of other rocks were compacted and cemented together
    Explanation
    The picture shows layers of rocks stacked on top of each other, suggesting that the rock was formed through the process of sedimentation. Sediments of other rocks were likely deposited and then compacted and cemented together over time to form this rock.

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  • 16. 

    Examine the diagram. If rocks found in layer B became exposed to the heat of the rising magma (igneous intrusion), they most likely could form?

    • A.

      Igneous Rocks

    • B.

      Metamorphic Rocks

    • C.

      A different sedimentary rock

    Correct Answer
    B. Metamorphic Rocks
    Explanation
    If rocks found in layer B were exposed to the heat of the rising magma, they would most likely undergo a process called metamorphism. Metamorphism occurs when rocks are subjected to high temperatures and pressures, causing them to undergo physical and chemical changes. This process can result in the formation of metamorphic rocks, which have a distinct texture and mineral composition different from the original rocks. Therefore, the correct answer is metamorphic rocks.

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  • 17. 

    Examine the diagram. The layer above layer marked "F" would most likely be which type of rock?

    • A.

      Igneous

    • B.

      Sedimentary

    • C.

      Metamorphic

    Correct Answer
    B. Sedimentary
    Explanation
    Based on the diagram, the layer above the layer marked "F" would most likely be sedimentary rock. Sedimentary rocks are formed from the accumulation and compaction of sediments, such as sand, silt, and clay, over time. The diagram suggests a layering pattern, which is a characteristic feature of sedimentary rocks. Igneous rocks are formed from the cooling and solidification of molten material, and metamorphic rocks are formed from the transformation of existing rocks under high pressure and temperature conditions. However, neither of these processes is indicated in the diagram, making sedimentary rock the most likely option.

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  • 18. 

    If the rising magma in this diagram cools below the surface, which of the following would you most likely see in the resulting Igneous rocks?

    • A.

      No crystals

    • B.

      Small crystals

    • C.

      Large crystals

    • D.

      Layers

    Correct Answer
    C. Large crystals
    Explanation
    When magma cools slowly beneath the surface, it allows more time for the minerals to arrange themselves and form larger crystals. This is because slower cooling allows the atoms in the magma to move and arrange themselves in a more orderly manner, resulting in larger crystal growth. Therefore, if the rising magma in the diagram cools below the surface, the most likely outcome would be the formation of igneous rocks with large crystals.

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  • 19. 

    The picture of the fossil below can be categorized as which type of rock?

    • A.

      Igneous, Intrusive

    • B.

      Igneous, Extrusive

    • C.

      Sedimentary

    • D.

      Metarmorphic

    Correct Answer
    C. Sedimentary
    Explanation
    The picture of the fossil can be categorized as sedimentary rock because sedimentary rocks are formed from the accumulation and compaction of sediments, such as sand, mud, and organic materials. Fossils are often found in sedimentary rocks as they provide a record of past life forms. Igneous rocks, on the other hand, are formed from the solidification of molten material and do not typically contain fossils. Intrusive and extrusive refer to the location of igneous rock formation, but they are not applicable to the given picture of the fossil. Metamorphic rocks are formed from the transformation of existing rocks under high pressure and temperature, which is also not relevant to the picture.

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  • 20. 

    TRUE or FALSE:    Fossils will not be found in Igneous rocks.

    • A.

      TRUE

    • B.

      FALSE

    Correct Answer
    A. TRUE
    Explanation
    Fossils are typically found in sedimentary rocks, which are formed from the accumulation and compaction of sediments over time. Igneous rocks, on the other hand, are formed from the solidification of molten rock material and do not typically preserve fossils. Therefore, it is true that fossils will not be found in igneous rocks.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 04, 2010
    Quiz Created by
    Bfritz
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