Weathering And The Rock Cycle
The following online quiz will test your knowledge and understanding of the rock cycle and weathering. Please refer to your previous two power point presentations as well as your book for help. TAKE YOUR TIME! Good luck!
Questions and Answers
- 1.
TRUE or FALSE: Water can cause the physical or chemical breakdown of rocks.
- A.
TRUE
- B.
FALSE
Correct Answer
A. TRUEExplanation
Water can cause the physical or chemical breakdown of rocks through a process called weathering. Physical weathering occurs when water freezes and expands in cracks and crevices, causing the rocks to break apart. Chemical weathering occurs when water reacts with minerals in the rocks, causing them to dissolve or undergo chemical changes. Both processes can lead to the breakdown and erosion of rocks over time.Rate this question:
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- 2.
Which type of rock is most likely found in these cliff layers?
- A.
Igneous
- B.
Sedimentary
- C.
Metamorphic
Correct Answer
B. SedimentaryExplanation
The most likely type of rock found in cliff layers is sedimentary. This is because sedimentary rocks are formed from the accumulation and compaction of sediment, which can occur in layers over time. Cliffs are often formed by the erosion and weathering of sedimentary rocks, which exposes the layers of rock. Therefore, it is logical to assume that the rock found in cliff layers would be sedimentary in nature.Rate this question:
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- 3.
Which part of the rock cycle is obviously taking place in this picture?
- A.
Cooling of lava to form Igneous Rock
- B.
Melting of pre-existing rock into magma
- C.
Pre-existing rocks being weathered into sediments
- D.
Pre-existing rocks undergoing heat and pressure to become metamorphic rocks
Correct Answer
C. Pre-existing rocks being weathered into sedimentsExplanation
The picture shows rocks that have been broken down into smaller pieces, indicating that weathering has occurred. Weathering is the process by which pre-existing rocks are broken down into sediments through physical, chemical, and biological processes. Therefore, the correct answer is "Pre-existing rocks being weathered into sediments."Rate this question:
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- 4.
Examine the picture of weathering below (be sure to scroll over to see diagram "B" also). Based on these observations, which of the following statements are TRUE.
- A.
Water has little effect on rocks over time.
- B.
Water is physically weathering the rocks as it freezes
- C.
Water is chemically weathering the rocks as it freezes
- D.
Water does NOT weather rocks
Correct Answer
B. Water is physically weathering the rocks as it freezesExplanation
The picture shows water freezing and expanding within the cracks of the rocks. This expansion exerts pressure on the rocks, causing them to break apart. This process is known as frost wedging, which is a type of physical weathering. Therefore, the statement "Water is physically weathering the rocks as it freezes" is true.Rate this question:
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- 5.
Examine the diagram and answer the following question: THE BOX BETWEEN "VOLCANIC ERUPTIONS" AND "WEATHERING AND EROSION" SHOULD INCLUDE WHAT TYPE OF ROCK?
- A.
Igneous Rock
- B.
Sedimentary Rock
- C.
Metamorphic Rock
- D.
Clastic Rocks
Correct Answer
A. Igneous RockExplanation
The box between "Volcanic Eruptions" and "Weathering and Erosion" should include Igneous Rock. This is because volcanic eruptions are associated with the formation of igneous rocks, which are formed when molten lava or magma cools and solidifies. Weathering and erosion, on the other hand, break down and transport rocks, including igneous rocks, to form sedimentary rocks. Therefore, the box between these two processes would contain igneous rocks.Rate this question:
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- 6.
Examine the diagram and answer: THE OVAL BETWEEN "HEAT AND PRESSURE AND STRESS" AND "MELTING" SHOULD INCLUDE WHAT TYPE OF ROCK?
- A.
Igneous
- B.
Sedimentary
- C.
Metamorphic
- D.
Clastic
Correct Answer
C. MetamorphicExplanation
The oval between "Heat and Pressure and Stress" and "Melting" should include metamorphic rock because metamorphic rocks are formed when existing rocks are subjected to intense heat and pressure, causing them to change in composition and texture. The diagram suggests that the process of heat, pressure, and stress leads to the formation of metamorphic rocks before reaching the stage of melting.Rate this question:
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- 7.
Examine the diagram and FILL IN THE TWO BLANKS:"THE WEATHERING AND EROSION OF IGNEOUS ROCKS FORM__________________ WHICH UNDERGO COMPACTING AND CEMENTATION TO FORM__________________."
- A.
Igneous, Sedimentary
- B.
Sediments, Sedimentary
- C.
Sediments, Metamorphic
- D.
Sediments, Chemical Rocks
- E.
Sediments, Foliated Rocks
Correct Answer
B. Sediments, SedimentaryExplanation
The weathering and erosion of igneous rocks form sediments, which undergo compacting and cementation to form sedimentary rocks.Rate this question:
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- 8.
TRUE or FALSE: Igneous rocks can cool slowly or quickly depending on the location of the cooling.
- A.
TRUE
- B.
FALSE
Correct Answer
A. TRUEExplanation
Igneous rocks can cool slowly or quickly depending on the location of the cooling because the rate of cooling affects the size of the mineral crystals formed within the rock. If the cooling occurs slowly, the minerals have more time to grow and form larger crystals. On the other hand, if the cooling is rapid, the minerals have less time to grow and form smaller crystals. Therefore, the location of the cooling can determine the rate of cooling and subsequently the size of the mineral crystals in the igneous rock.Rate this question:
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- 9.
TRUE or FALSE: When rocks are exposed to heat and pressure, the rocks change.
- A.
TRUE
- B.
FALSE
Correct Answer
A. TRUEExplanation
When rocks are exposed to heat and pressure, they undergo a process called metamorphism. This process causes the minerals within the rocks to rearrange and recrystallize, resulting in the formation of new rocks with different characteristics. Therefore, it is true that rocks change when exposed to heat and pressure.Rate this question:
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- 10.
The same minerals such as coltan, can be found in igneous rocks as well as sedimentary rocks.
- A.
TRUE
- B.
FALSE
- C.
Wrong, coltan is found only in metamorphic rocks.
Correct Answer
A. TRUEExplanation
The statement is true because coltan, a mineral used in electronic devices, can be found in both igneous and sedimentary rocks. This is because coltan can form in different geological settings and is not limited to a specific rock type like metamorphic rocks. Therefore, the statement is correct.Rate this question:
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Mar 21, 2023Quiz Edited by
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Feb 11, 2010Quiz Created by
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