Earth and Life Science -First Semester (2nd Periodical)
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Questions and Answers

Which process involves the settling of sediments out of the transporting medium?

  • Weathering
  • Mechanical weathering
  • Erosion
  • Deposition (correct)

    • What is the product of weathering?

  • Chemical weathering
  • Erosion
  • Soil (correct)
  • Deposition

    • What are the two types of weathering?

  • Deposition and mechanical weathering
  • Weathering and erosion
  • Erosion and deposition
  • Mechanical and chemical weathering (correct)

    • What is erosion?

    <p>The process by which soil and weathered rocks are transported from one place to another</p> Signup and view all the answers

    Which process is a slow but continuous process?

    <p>Weathering</p> Signup and view all the answers

    Which of the following is NOT an exogenic process?

    <p>Volcanism</p> Signup and view all the answers

    What is the process by which soil and weathered rocks are transported from one place to another?

    <p>Erosion</p> Signup and view all the answers

    Which type of weathering involves the breaking down of rocks and other materials on the earth’s surface?

    <p>Both mechanical and chemical weathering</p> Signup and view all the answers

    Which process involves the settling out of sediments from the transporting medium?

    <p>Deposition</p> Signup and view all the answers

    What is the product of weathering?

    <p>Soil</p> Signup and view all the answers

    Which process involves the physical breakdown of rocks and other materials on the earth’s surface?

    <p>Weathering</p> Signup and view all the answers

    What is the primary difference between mechanical and chemical weathering?

    <p>Mechanical weathering involves the physical breakdown of rocks, while chemical weathering involves the chemical breakdown of rocks.</p> Signup and view all the answers

    What are the main exogenic processes involved in shaping the Earth's surface?

    <p>Weathering, erosion, and transportation</p> Signup and view all the answers

    Which type of eruption is dominated by the flow of lava and the formation of fountains and lakes?

    <p>Effusive eruption</p> Signup and view all the answers

    What are the three types of volcanoes based on shape?

    <p>Shield, Stratovolcanoes, and cinder</p> Signup and view all the answers

    Which type of volcano is characterized by a very broad dome with a gentle slope and is mostly made of alternating layers of basaltic lava and cinder accumulation?

    <p>Shield volcano</p> Signup and view all the answers

    Which type of volcano is composed of lava and pyroclastic materials and is composed of felsic rocks?

    <p>Stratovolcano</p> Signup and view all the answers

    Which type of volcano is consisting of a small cone formed by spattering lava?

    <p>Cinder cone volcano</p> Signup and view all the answers

    Which type of eruption is characterized by a volcano ejecting ash and larger fragments of broken-up pyroclastic materials?

    <p>Stratovolcano eruption</p> Signup and view all the answers

    What are the two types of eruptions mentioned in the text?

    <p>Effusive and explosive</p> Signup and view all the answers

    Which type of volcano is characterized by a broad dome with a gentle slope and is mostly made of alternating layers of basaltic lava and cinder accumulation?

    <p>Shield volcano</p> Signup and view all the answers

    Which type of volcano is composed of lava and pyroclastic materials and is composed of felsic rocks?

    <p>Stratovolcano</p> Signup and view all the answers

    What is the primary difference between shield volcanoes and stratovolcanoes?

    <p>Their shape and composition</p> Signup and view all the answers

    Which type of volcano is characterized by a broad dome with a gentle slope and is mostly made of alternating layers of basaltic lava and cinder accumulation?

    <p>Shield volcanoes</p> Signup and view all the answers

    What are the three types of volcanoes based on shape?

    <p>Shield, Stratovolcanoes, and composite</p> Signup and view all the answers

    Which type of eruption is characterized by a volcano ejecting ash and larger fragments of broken-up pyroclastic materials?

    <p>Explosive eruption</p> Signup and view all the answers

    Which type of stress is characterized by rocks being pulled apart or stretched?

    <p>Normal stress</p> Signup and view all the answers

    What is the process called when a rock changes its form into a new one without undergoing melting or disintegration?

    <p>Metamorphism</p> Signup and view all the answers

    Which of the following is an example of a fault?

    <p>Thrust</p> Signup and view all the answers

    Which type of volcanic eruption is characterized by the flow of lava and the formation of fountains and lakes?

    <p>Effusive eruption</p> Signup and view all the answers

    What are the two types of stress mentioned in the text?

    <p>Normal and reverse stress</p> Signup and view all the answers

    Which type of stress is characterized by rocks being pushed together or compressed?

    <p>Reverse stress</p> Signup and view all the answers

    What is the process called when a rock changes its form into a new one without undergoing melting or disintegration?

    <p>Metamorphism</p> Signup and view all the answers

    Which type of fault is characterized by rocks being pushed together and one block being forced on top of the other?

    <p>Thrust fault</p> Signup and view all the answers

    Which type of volcano is characterized by a steep cone made of layers of lava and pyroclastic materials?

    <p>Stratovolcano</p> Signup and view all the answers

    What is the primary difference between mechanical and chemical weathering?

    <p>Mechanical weathering involves the physical breakdown of rocks through mechanical forces, while chemical weathering involves the breakdown of rocks through chemical reactions.</p> Signup and view all the answers

    Which type of stress is characterized by rocks being pushed together and one block being forced on top of the other?

    <p>Reverse stress</p> Signup and view all the answers

    What is the primary difference between normal faults and reverse faults?

    <p>The direction of movement</p> Signup and view all the answers

    What is the process called when a rock changes its form into a new one without undergoing melting or disintegration?

    <p>Metamorphism</p> Signup and view all the answers

    Study Notes

    Weathering and Erosion

    • Weathering is the breakdown of rocks and other materials on the earth's surface
    • There are two types of weathering: mechanical and chemical weathering
    • Mechanical weathering involves the physical breakdown of rocks and other materials on the earth's surface
    • Chemical weathering involves the breakdown of rocks and other materials through chemical reactions

    Sedimentation

    • Sedimentation is the process of settling of sediments out of the transporting medium
    • It is a slow but continuous process
    • The product of weathering is sediment, which is transported by erosion

    Erosion

    • Erosion is the process of transporting soil and weathered rocks from one place to another
    • It is an exogenic process involved in shaping the Earth's surface

    Volcanoes

    • There are three types of volcanoes based on shape: shield volcanoes, stratovolcanoes, and cinder cones
    • Shield volcanoes are characterized by a broad dome with a gentle slope and are mostly made of alternating layers of basaltic lava and cinder accumulation
    • Stratovolcanoes are composed of lava and pyroclastic materials and are composed of felsic rocks
    • Cinder cones are small cones formed by spattering lava

    Volcanic Eruptions

    • There are two types of eruptions: lava-rich eruptions and pyroclastic eruptions
    • Lava-rich eruptions are characterized by the flow of lava and the formation of fountains and lakes
    • Pyroclastic eruptions are characterized by a volcano ejecting ash and larger fragments of broken-up pyroclastic materials

    Stress and Faults

    • There are three types of stress: tension, compression, and shear
    • Tension is characterized by rocks being pulled apart or stretched
    • Compression is characterized by rocks being pushed together or compressed
    • Faults occur when rocks break or deform due to stress
    • Normal faults occur when rocks are pushed apart and one block is forced down
    • Reverse faults occur when rocks are pushed together and one block is forced on top of the other

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    Test your knowledge on exogenic processes such as weathering, erosion, mass wasting, and sedimentation. This quiz will assess your understanding of these geologic processes and your ability to identify potential risks in a community. Get ready to showcase your skills in making a map that highlights areas prone to erosion and landslides.

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