Unit 6 Test - Weathering, Erosion & Deposition/Topo Maps/Ocean Floor

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  • 1/25 Questions

    Sediment settling at the bottom of the ocean.

    • Weathering
    • Erosion
    • Deposition
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About This Quiz

This test covers key concepts in weathering, erosion, deposition, topographic maps, and the ocean floor, focusing on processes like chemical and mechanical weathering, frost wedging, and hydrolysis.

Unit 6 Test - Weathering, Erosion & Deposition/Topo Maps/Ocean Floor - Quiz

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  • 2. 

    What are two types of weathering?

    • Chemical and Mechanical

    • Carbonation and Oxidation

    • Abrasion and Mechanical

    • Chemical and Dissolution

    Correct Answer
    A. Chemical and Mechanical
    Explanation
    Chemical weathering refers to the breakdown of rocks and minerals through chemical reactions, such as the dissolution of limestone by acidic rainwater. Mechanical weathering, on the other hand, involves the physical breakdown of rocks into smaller fragments without any chemical change. This can occur through processes like abrasion, where rocks are worn down by friction, or through the expansion and contraction of rocks due to temperature changes. Therefore, the correct answer is Chemical and Mechanical.

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  • 3. 

    Which of the following is the process by which sediment settles in a new location?

    • Deposition

    • Erosion

    • Weathering

    • Barometer

    Correct Answer
    A. Deposition
    Explanation
    Deposition is the process by which sediment settles in a new location. This occurs when eroded particles, such as rocks, sand, or soil, are transported by wind, water, or ice and then come to rest in a different area. Deposition is a key part of the sedimentary cycle, as it contributes to the formation of sedimentary rocks over time.

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  • 4. 

    Contour lines that are closer together represent a ____________.

    • Steeper Slope

    • Gradual Hill

    • Deep River

    • Railroad Track

    Correct Answer
    A. Steeper Slope
    Explanation
    Contour lines that are closer together represent a steeper slope. This is because contour lines indicate points of equal elevation on a map. When the contour lines are closer together, it means that the change in elevation between those points is greater, indicating a steeper slope. Conversely, when contour lines are further apart, it suggests a more gradual hill or a flatter terrain. Therefore, the correct answer is "Steeper Slope."

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  • 5. 

    Which of the following physical features would you not see on a topographic map?

    • Railroad

    • Rivers

    • Streams

    • Parked Cars

    Correct Answer
    A. Parked Cars
    Explanation
    A topographic map is a detailed representation of the Earth's surface, focusing on the elevation and shape of the terrain. It typically includes natural features like rivers and streams, as well as man-made structures such as railroads. However, parked cars are not a permanent or significant feature of the landscape and would not be included on a topographic map. They are subject to change and do not provide relevant information about the topography of an area.

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  • 6. 

    A Sand dune forming in the desert

    • Weathering

    • Erosion

    • Deposition

    Correct Answer
    A. Deposition
    Explanation
    Deposition is the process of depositing or laying down sediment or particles in a new location. In the context of a sand dune forming in the desert, deposition occurs when wind transports sand particles and then drops them in a certain area, causing the sand dune to gradually build up over time. This process is a result of the wind's ability to carry and then release the sand particles, leading to the formation of the sand dune.

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  • 7. 

    Which process creates a delta?

    • Erosion

    • Deposition

    • Abrasion

    • Weathering

    Correct Answer
    A. Deposition
    Explanation
    Deposition is the process by which sediments, soil, or rocks are deposited or laid down in a new location. It occurs when the energy of a transporting medium, such as water or wind, decreases and can no longer carry the particles. As a result, the particles settle and accumulate, creating a delta. Deltas are landforms formed at the mouth of a river where sediment is deposited, typically in a fan-like shape. Therefore, deposition is the process that creates a delta.

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  • 8. 

    Which part of the topographic map connects points of equal elevation?

    • Contour Interval

    • Contour Lines

    • Hachure Lines

    • Compass

    Correct Answer
    A. Contour Lines
    Explanation
    Contour lines on a topographic map connect points of equal elevation. These lines represent the shape and elevation of the land, allowing users to visualize the various features and terrain of an area. By following the contour lines, one can determine the steepness of slopes, identify valleys and ridges, and understand the overall topography of the landscape. The contour interval, on the other hand, represents the vertical distance between each contour line. Hachure lines are used to indicate depressions or sinkholes on a map, while a compass is a navigational tool used for determining direction.

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  • 9. 
    What does this symbol represent on a topographic map? - ProProfs

    What does this symbol represent on a topographic map?

    • Valley

    • Depression

    • Mountain

    • Contour Indes

    Correct Answer
    A. Depression
    Explanation
    The symbol represents a depression on a topographic map. A depression refers to a low-lying area or basin that is surrounded by higher elevations. This symbol is used to indicate the presence of a depression, such as a sinkhole or a crater, on the map. It helps to visualize the topography and understand the relative elevations of different features on the map.

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  • 10. 

    What type of wedging occurs when water seeps into the cracks of rocks, freezes, and expands to break rocks?

    • Abrasion

    • Root

    • Frost

    • Salt

    Correct Answer
    A. Frost
    Explanation
    Frost wedging occurs when water seeps into the cracks of rocks, freezes, and expands to break the rocks. As water freezes, it expands by about 9%, exerting pressure on the surrounding rock. This pressure causes the cracks in the rock to widen and eventually break apart. Frost wedging is a common process in areas with cold climates and can cause significant weathering and erosion of rocks over time.

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  • 11. 

    Powerful ocean waves breaking down rocks over time.

    • Weathering

    • Erosion

    • Deposition

    Correct Answer
    A. Weathering
    Explanation
    Weathering refers to the process of breaking down rocks and minerals on the Earth's surface. It can be caused by various factors, such as temperature changes, water, wind, and ice. In this case, the powerful ocean waves are continuously hitting the rocks, causing them to gradually break down and erode. This process is known as mechanical weathering, where the rocks are physically broken apart. Therefore, the correct answer is weathering.

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  • 12. 
    In which direction is the river flowing?  - ProProfs

    In which direction is the river flowing? 

    • North

    • South

    • East

    • West

    Correct Answer
    A. East
  • 13. 
    What is the contour interval for this topographic map? - ProProfs

    What is the contour interval for this topographic map?

    • 5,000 ft.

    • 1,200 ft.

    • 10,000 ft.

    • 1,000 ft.

    Correct Answer
    A. 1,000 ft.
    Explanation
    The contour interval is the vertical distance between contour lines on a topographic map. In this case, the correct answer is 1,000 ft. This means that each contour line on the map represents a change in elevation of 1,000 ft.

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  • 14. 

    Which of the following is the process by which water, ice, wind, or gravity move pieces of rock or soil?

    • Erosion

    • Deposition

    • Sediment

    • Weathering

    Correct Answer
    A. Erosion
    Explanation
    Erosion is the correct answer because it refers to the process by which water, ice, wind, or gravity move pieces of rock or soil. Erosion involves the transportation of sediment from one place to another, wearing away the Earth's surface over time. It is a natural process that shapes the Earth's landforms and can occur through various mechanisms such as water flowing in rivers, waves crashing on shorelines, wind blowing across deserts, or glaciers moving slowly over land.

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  • 15. 

     Which of the following is one example of chemical weathering?

    • Exfoliation

    • Thermal Expansion

    • Hydrolysis

    • Abrasion

    Correct Answer
    A. Hydrolysis
    Explanation
    Hydrolysis is one example of chemical weathering. It is a process where water reacts with minerals in rocks, causing them to break down and change composition. This reaction occurs when water molecules split into hydrogen and hydroxide ions, which then react with minerals, such as feldspar, to form new substances. Hydrolysis is particularly effective in breaking down silicate minerals, leading to the decomposition of rocks over time.

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  • 16. 

    Rain washing away soil.

    • Weathering

    • Erosion

    • Deposition

    Correct Answer
    A. Erosion
    Explanation
    Erosion is the process by which soil, rocks, or other materials are carried away by water, wind, or ice. In the given scenario, rainwater is washing away the soil, indicating the movement and removal of soil particles from their original location. This aligns with the concept of erosion, making it the correct answer.

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  • 17. 

    Saltwater is more ________ because it contains a large amount of dissolved salt.

    Correct Answer
    dense
    Explanation
    Saltwater is more dense because it contains a large amount of dissolved salt. The presence of salt increases the mass of the water, making it denser. This increased density causes saltwater to sink in fresh water and creates a stratification of water layers in oceans and other bodies of water.

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  • 18. 
    What is the elevation difference between point X and Y? - ProProfs

    What is the elevation difference between point X and Y?

    • 20 m

    • 1,600 m

    • 1,240 m

    • 360 m

    Correct Answer
    A. 360 m
    Explanation
    The elevation difference between point X and Y is 360 m. This means that point Y is located 360 meters higher than point X.

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  • 19. 

    Wind and water from a hurricane moving sediment.

    • Weathering

    • Erosion

    • Deposition

    Correct Answer
    A. Erosion
    Explanation
    Erosion is the correct answer because wind and water from a hurricane can cause the movement of sediment. Erosion refers to the process of wearing away and transporting materials such as soil, rocks, and sediment by natural forces like wind, water, or ice. In the case of a hurricane, the strong winds and heavy rainfall can lead to the displacement and transport of sediment, contributing to erosion.

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  • 20. 

    Submerged volcanic mountains on the ocean floor are called _______________.

    • Mid-Ocean Ridge

    • Seamounts

    • Gyres

    • Updwelling

    Correct Answer
    A. Seamounts
    Explanation
    Submerged volcanic mountains on the ocean floor are called seamounts. These are formed by volcanic activity and can rise several thousand meters above the seafloor. Seamounts are usually isolated and can be found in all the world's oceans. They provide habitats for a diverse range of marine species and can also have an impact on ocean currents and nutrient distribution.

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  • 21. 

    The longest mountain range in the world is called __________________________.

    • The Mid Ocean Ridge

    • Divergent

    • Mt. Everest

    • Appalachian Mountains

    Correct Answer
    A. The Mid Ocean Ridge
    Explanation
    The Mid Ocean Ridge is the longest mountain range in the world. It stretches for over 40,000 miles and runs through the Atlantic Ocean, Indian Ocean, and Pacific Ocean. The ridge is formed by divergent plate boundaries, where tectonic plates are moving apart, causing magma to rise and create new oceanic crust. This continuous process over millions of years has resulted in the formation of the longest mountain range on Earth. Mt. Everest is the tallest mountain in the world, but it is not part of the Mid Ocean Ridge. The Appalachian Mountains are a major mountain range in eastern North America, but they are not the longest in the world.

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  • 22. 

    List the three processes that cause erosion.

  • 23. 

    List three professions that might use a topographic Map.

  • 24. 

    List the five ocean basins from LARGEST to SMALLEST.

  • 25. 

    Label the map below in the response box by putting A = ____, B= ______, all the way through F.

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  • Current Version
  • Mar 17, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 24, 2020
    Quiz Created by
    Heather Miller
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