Earth Science Chapters 1 & 2

20 Questions

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Earth Science Quizzes & Trivia

This is a quiz on Chapters 1 & 2 to be completed and submitted by deadline Sunday midnight (April 4, 2010). You have three attempts only. Any further attempts after the first three will be disregarded. Make sure you record your score after completion. Also understand that as soon as you enter your name and given password, quiz will begin as there are no further instructions. Do your best to answer all questions. Good luck!


Questions and Answers
  • 1. 
    Which one of the following statements concerning minerals is NOT true?
    • A. 

      Definite chemical structure

    • B. 

      Solid

    • C. 

      Organic

    • D. 

      Formed of atoms

    • E. 

      Naturally occurring

  • 2. 
    The property which is a measure of the resistance of a mineral to abrasion or scratching is ____________.
    • A. 

      Hardness

    • B. 

      Cleavage

    • C. 

      Crystal form

    • D. 

      Streak

    • E. 

      Fracture

  • 3. 
    The basic building block of the silicate minerals ____________.
    • A. 

      Contains one silicon atom and four oxygen atoms

    • B. 

      Always occurs independently

    • C. 

      Contains one oxygen atom and four silicon atoms

    • D. 

      Contains two iron atoms for each silicon atom

    • E. 

      Has the shape of a cube

  • 4. 
    Which one of the following is NOT one of the eight most abundant elements in Earth's continental crust?
    • A. 

      Hydrogen

    • B. 

      Aluminum

    • C. 

      Oxygen

    • D. 

      Calcium

    • E. 

      Iron

  • 5. 
    Most silicate minerals form from ____________.
    • A. 

      Erosion

    • B. 

      Radioactive decay

    • C. 

      Molten rock

    • D. 

      Other minerals

    • E. 

      Water erosion

  • 6. 
    Atoms of the same element possess the same number of ____________.
    • A. 

      Compounds

    • B. 

      Protons

    • C. 

      Neutrons

    • D. 

      Isotopes

    • E. 

      Ions

  • 7. 
    The scale used by geologists to measure the hardness of a mineral is called the __________ scale.
    • A. 

      Richters

    • B. 

      Smiths

    • C. 

      Mohs

    • D. 

      Playfairs

    • E. 

      Bowens

  • 8. 
    Oxygen comprises about _________ percent by weight of Earth's continental crust.
    • A. 

      47

    • B. 

      27

    • C. 

      85

    • D. 

      12

    • E. 

      63

  • 9. 
    Igneous rocks that contain the last minerals to crystallize from magma and consist mainly of feldspars and quartz are said to have a ____________ composition.
    • A. 

      Lithic

    • B. 

      Basaltic

    • C. 

      Gneissic

    • D. 

      Granitic

    • E. 

      Metamorphic

  • 10. 
    Fossils found in sedimentary rocks can be used to ____________.
    • A. 

      Interpret past environments

    • B. 

      Indicate certain periods of time

    • C. 

      Match rocks of the same age that are found at different places

    • D. 

      All of the above

    • E. 

      None of the above

  • 11. 
    The surface process that slowly disintegrates and decomposes rock is called ____________.
    • A. 

      Exfoliation

    • B. 

      Weathering

    • C. 

      Metamorphism

    • D. 

      Crystallization

    • E. 

      Erosion

  • 12. 
    Which one of the following is NOT an agent of metamorphism?
    • A. 

      Chemically active fluids

    • B. 

      Pressure

    • C. 

      Lithification

    • D. 

      Heat

  • 13. 
    The great majority of rocks exposed at Earth's surface are of which type?
    • A. 

      Igneous rocks

    • B. 

      Sedimentary rocks

    • C. 

      Metamorphic rocks

  • 14. 
    Molten material found inside Earth is called ____________.
    • A. 

      Rock fluid

    • B. 

      Magma

    • C. 

      Lava

    • D. 

      Plasma

    • E. 

      Mineraloid

  • 15. 
    Why can two igneous rocks have the same minerals but different names?
    • A. 

      Names of igneous rocks are arbitrary.

    • B. 

      The rocks may be of different sizes.

    • C. 

      They may have different textures.

    • D. 

      They may have been found in different places.

    • E. 

      They may have different colors.

  • 16. 
    The most important agent of chemical weathering is ____________.
    • A. 

      Carbon

    • B. 

      Ozone

    • C. 

      Water

    • D. 

      Soil

    • E. 

      Sulfuric acid

  • 17. 
    The single most characteristic feature of sedimentary rocks are
    • A. 

      Ripple marks

    • B. 

      Strata

    • C. 

      Cleavage planes

    • D. 

      Mud cracks

    • E. 

      Crystals

  • 18. 
    Detrital sedimentary rocks are subdivided according to ____________.
    • A. 

      Their age

    • B. 

      Particle size

    • C. 

      Hardness

    • D. 

      The place where they were found

    • E. 

      Color

  • 19. 
    Accumulation of silts and clays, and eventually the rocks siltstone and shale, is generally best associated with which one of the following environments?
    • A. 

      Windy desert

    • B. 

      Beach

    • C. 

      Glacier

    • D. 

      Quiet swamp water

    • E. 

      Swiftly flowing river

  • 20. 
    Which one of the following is NOT a primary element found in magma?
    • A. 

      Iron

    • B. 

      Aluminum

    • C. 

      Oxygen

    • D. 

      Carbon

    • E. 

      Silicon