Earth And Space Science: Midterm Exam

50 Questions | Total Attempts: 107

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Midterm Quizzes & Trivia

Please read carefully and answer all questions in the test booklet. Continue answering questions until you have answered all questions in the test booklet. Mark all answers in a seperate scantron for them to be scored. Good luck, and take your time.


Questions and Answers
  • 1. 
    An atom is a basic chemical building block of matter. Which particles determine the mass of an atom?
    • A. 

      Protons and neutrons

    • B. 

      Neutrons and electrons

    • C. 

      Protons and electrons

    • D. 

      Neither of the above

  • 2. 
    Which particles refer to the atomic number for an element?
    • A. 

      Neutrons

    • B. 

      Protons

    • C. 

      Electrons

    • D. 

      Quarks

  • 3. 
    How is density calculated?
    • A. 

      Area x Volume

    • B. 

      Volume divided by Mass

    • C. 

      Perimeter + Mass

    • D. 

      Mass divided by Volume

  • 4. 
    What is the density of an object with a volume of 15 cm (cubed) and a mass of 45 g?
    • A. 

      0.33 g/cm

    • B. 

      3 g/cm

    • C. 

      60 g/cm

    • D. 

      675 g/cm

  • 5. 
    What is the density of an object with a volume of 30 cm and a mass of 60 g?
    • A. 

      2 g/cm

    • B. 

      30 g/cm

    • C. 

      10 g/cm

    • D. 

      9 g/cm

  • 6. 
    What is the density of an object with a volume of 30 cm and a mass of 25 g?
    • A. 

      .45 g/cm

    • B. 

      1.2 g/cm

    • C. 

      .83 g/cm

    • D. 

      .60 g/cm

  • 7. 
    If all three of these objects were placed in water (the density of water is 1.0 g/cm), where would the be placed?
    • A. 

      3 g/cm would sink, 2 g/cm would sink, 0.83 g/cm would sink

    • B. 

      3 g/cm would float, 2 g/cm would float, 0.83 g/cm would float

    • C. 

      3 g/cm would sink, 2 g/cm would sink, 0.83 g/cm would float

    • D. 

      3 g/cm would float, 2 g/cm would sink, 0.83 g/cm would sink

  • 8. 
    Which layer of the earth is the thicest, is mainly composed of iron and nickel, and measures a temperature of 5.900 degrees celsius?
    • A. 

      Mantle

    • B. 

      Crust

    • C. 

      Outer Core

    • D. 

      Inner Core

  • 9. 
    What layer of the earth is the asthenosphere located?
    • A. 

      Inner Core

    • B. 

      Outer Core

    • C. 

      Mantle

    • D. 

      Crust

  • 10. 
    A natural ocurring, inorganic crystalline solid with a narrowly defined chemical composition and physical properties.
    • A. 

      Mineral

    • B. 

      Color

    • C. 

      Luster

    • D. 

      Streak

  • 11. 
    Why is color NOT a very a good method to use while identifying minerals?
    • A. 

      Most minerals tend to be the same color

    • B. 

      In some cases, the streak of a mineral is different from its color

    • C. 

      The color of a mineral can be changed and altered due to impurities

    • D. 

      Every mineral has a thin gray coating

  • 12. 
    What is the crystal structure of a mineral?
    • A. 

      The atoms in a mineral are arranged in a consistent geometric pattern

    • B. 

      The color of a mineral in powdered form

    • C. 

      The way a mineral reflects light

    • D. 

      The physical color of a mineral

  • 13. 
    Examples of luster include
    • A. 

      Metallic

    • B. 

      Non-metallic

    • C. 

      Pearly

    • D. 

      All of the above

  • 14. 
    The measure of the ability of a mineral to resist scratching
    • A. 

      Cleavage/Fracture

    • B. 

      Acidity

    • C. 

      Hardness

    • D. 

      Magnetism

  • 15. 
    In geology, the tendency of a mineral to split along specific, smooth planes
    • A. 

      Cleavage

    • B. 

      Fracture

    • C. 

      Both A and B

    • D. 

      Neither A or B

  • 16. 
    Acidity (referring to minerals) can be best defined as 
    • A. 

      The tendency of a mineral to split along specific planes

    • B. 

      The ability to attract small particles of minerals that contain iron

    • C. 

      The measure of the ability of a mineral to resist scratching

    • D. 

      The ability to break down as a result of chemical reactions

  • 17. 
    Which of the following is NOT one of the main types of nonsilicate minerals?
    • A. 

      Carbonates

    • B. 

      Feldspars

    • C. 

      Oxides

    • D. 

      Sulfates

  • 18. 
    Which minerals are silicates that contain higher levels of iron and/or magnesium and are dark colored?
    • A. 

      Halides

    • B. 

      Ferromagnesium minerals

    • C. 

      Feldspars

    • D. 

      Sulfides

  • 19. 
    Igneous rock forms when magma, or molten rock, cools and hardens.
    • A. 

      True

    • B. 

      False

  • 20. 
    Sedimentary rock forms when rock is eroded and decomposes into sediment.
    • A. 

      True

    • B. 

      False

  • 21. 
    Metamorphic rock forms when rock is changed by certain forces, which include intense heat and pressure.
    • A. 

      True

    • B. 

      False

  • 22. 
    How does the cooling rate of an igneous rock affect its' texture? 
    • A. 

      Cools rapidly, larger crystals. Cools slowly, smaller crystals.

    • B. 

      Cools slowly, larger crystals. Cools rapidly, smaller crystals.

    • C. 

      Both A and B

    • D. 

      Neither A or B

  • 23. 
    The texture of a foliated metamorphic rock is arranged in:
    • A. 

      Parallel planes or bands

    • B. 

      Perpendicular planes or bands

    • C. 

      Parallel spheres or circles

    • D. 

      Alternating colorful bands

  • 24. 
    An example of a silicate mineral is
    • A. 

      Gypsum : CaSO4 x 2Hz0

    • B. 

      Plagioclase : SiOCa

    • C. 

      Galena : PbS

    • D. 

      Halite : NaCI

  • 25. 
    The natural process by which atmospheric and environmental agents, such as wind, rain, and temperature changes, disintegrate and decompose solids.
    • A. 

      Weathering

    • B. 

      Metamorphism

    • C. 

      Oxidation

    • D. 

      Uniformitarianism

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