Geology Basics: Structure and Composition of the Earth
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Questions and Answers

What is the composition of the Earth's core?

  • Iron and magnesium silicate (correct)
  • Aluminum and titanium
  • Nickel and copper alloy
  • Carbon and sulfur
  • Which layer of the Earth is the thickest and denser than the crust?

  • Crust
  • Core
  • Mantle (correct)
  • Lithosphere
  • What type of rocks primarily make up the continental crust?

  • Granites (correct)
  • Basalts
  • Sedimentary rocks
  • Metamorphic rocks
  • Which part of the Earth lies beneath the ocean floor and is mostly composed of basalts?

    <p>Oceanic crust</p> Signup and view all the answers

    What is the meaning of 'Geo' in Geology?

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

    Which layer of the Earth is described as 'the lightest, thinnest, and outermost rocky layer'?

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

    Which branch of Earth Science focuses on the study of weather patterns, clouds, and atmospheric phenomena?

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

    What is the name given to the solid matter that makes up the Earth?

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

    Which branch of Earth Science studies the properties and characteristics of minerals?

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

    What is the name given to the branch of Earth Science that studies the history of the Earth and its life forms through fossils?

    <p>Historical Geology</p> Signup and view all the answers

    Which of the following is NOT one of the four spheres that make up the Earth?

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

    What is the branch of Earth Science that studies all aspects of the ocean?

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

    What is the shape of the Earth?

    <p>Oblate spheroid</p> Signup and view all the answers

    Which imaginary line runs through the center of the Earth from the North Pole to the South Pole?

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

    How many hemispheres does the Earth have?

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

    What causes day and night on Earth?

    <p>Rotation on its axis</p> Signup and view all the answers

    What separates the northern and southern hemispheres of the Earth?

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

    How long does it take for the Earth to complete one revolution around the Sun?

    <p>365 1/4 days</p> Signup and view all the answers

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