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Phys 115 Exam 1: Earth Science Spheres & Scientific Reasoning
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Phys 115 Exam 1: Earth Science Spheres & Scientific Reasoning

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Questions and Answers

What is the correct definition of a mineral?

  • Any rock formed through compaction and cementation
  • A substance that can be found in all three Earth science spheres
  • Any naturally occurring substance found on Earth's surface
  • A substance that must have a crystalline structure and a definite chemical composition (correct)

    • Which sphere of the Earth includes liquid water and ice?

  • Hydrosphere (correct)
  • Atmosphere
  • Biosphere
  • Geosphere

    • What is the main difference between igneous rocks formed from quick cooling magma versus slow cooling magma?

  • Quick cooling produces sedimentary rocks, while slow cooling produces metamorphic rocks
  • Quick cooling produces rocks with smaller crystals, while slow cooling produces rocks with larger crystals (correct)
  • Quick cooling forms rocks that are denser than rocks formed from slow cooling
  • Quick cooling results in rocks with no crystals, while slow cooling results in rocks with medium-sized crystals

    • Which of the following is NOT one of Earth's spheres?

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

    What property of a mineral refers to the color of its powdered form on a streak plate?

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

    Which scientific reasoning involves drawing a general conclusion from specific observations?

    <p>Inductive reasoning</p> Signup and view all the answers

    What type of weathering is exemplified by frost wedging and tree roots?

    <p>Mechanical weathering</p> Signup and view all the answers

    Which layer of the soil is characterized by plant and animal remains?

    <p>Surface horizon</p> Signup and view all the answers

    What percentage of water on Earth is found in oceans?

    <p>97%</p> Signup and view all the answers

    Which type of continental margin includes subduction zones?

    <p>Active continental margin</p> Signup and view all the answers

    What phase change involves solid turning directly into gas?

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

    Which type of clouds form thin and wispy in the upper atmosphere?

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

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