Science Semester Test Practice

54 Questions | Total Attempts: 32

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Science Practice Quizzes & Trivia

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Questions and Answers
  • 1. 
    A large, circular depression that forms when the magma chamber below a volcano partially empties and causes the ground above to sink.
    • A. 

      Felsic lava

    • B. 

      Caldera

    • C. 

      Sand dune

    • D. 

      Focus

  • 2. 
    A mineral that does not contain compounds of silicon and oxygen.
    • A. 

      Nonsilicate minerals

    • B. 

      Silicate minerals

  • 3. 
    Barrier islands: a long ridge of sand or narrow island that lies parallel to the shore.
    • A. 

      True

    • B. 

      False

  • 4. 
    Describes magma or igneous rock that is rich in feldspars and silica and that is generally light in color
    • A. 

      Felsic

    • B. 

      Mafic

    • C. 

      Caldera

    • D. 

      Pyroclastic material

  • 5. 
    Ecosystems respond to environmental changes by ways that maintain or restore balance in the ecosystem. 
    • A. 

      True

    • B. 

      False

  • 6. 
    A mineral that contains a combination of silicon and oxygen and that may also contain one or more metals.
    • A. 

      Silicate minerals

    • B. 

      Nonsilicate minerals

  • 7. 
    Barrier reef: a coral reef running parallel to the shore but separated from it by a channel of deep water.
    • A. 

      True

    • B. 

      False

  • 8. 
    Berm: a raised section that some beaches have.
    • A. 

      True

    • B. 

      False

  • 9. 
    An earthquake is a movement or trembling of the ground that is caused by a sudden release of energy when rocks along a fault move. The epicenter is directly below the focus and it happens near the plate boundary because that's where the motion takes place.
    • A. 

      True

    • B. 

      False

  • 10. 
    Evolution: the process of change by which new species develop from preexisting species over time.
    • A. 

      True

    • B. 

      False

  • 11. 
    Headlands: a high and steep formation of rock that extends out from shore into the water.
    • A. 

      True

    • B. 

      False

  • 12. 
    Geologic column: an ordered arrangement of rock layers that is based on the relative ages of the rocks and in which oldest rocks are at the bottom. 
    • A. 

      True

    • B. 

      False

  • 13. 
    Geologic time scale: this scale outlines the development of Earth and life on Earth
    • A. 

      True

    • B. 

      False

  • 14. 
    Impact hypothesis: a hypothesis some believed ended with the last of dinosaurs. Consisted of an asteroid crashing into Earth and killing them all.
    • A. 

      True

    • B. 

      False

  • 15. 
    Just click true, and study the farming methods that conserves topsoil again.
    • A. 

      True

    • B. 

      False

  • 16. 
    Mafic lava describes magma or igneous rock that is rich in magnesium and iron and that is generally dark in color.
    • A. 

      True

    • B. 

      False

  • 17. 
    Mass extinction: an episode during which large members of species became extinct.
    • A. 

      True

    • B. 

      False

  • 18. 
    Newton's law of gravitation states that the force of attraction between any two objects depends on their masses and the distance between them.
    • A. 

      True

    • B. 

      False

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

      True

    • B. 

      False

  • 20. 
    One example of an extrusion (igneous rock masses that form on Earth's surface) would be flat masses of rock called lava flows.
    • A. 

      True

    • B. 

      False

  • 21. 
    Paleomagnetism is the study of alignment of magnetic minerals in rock, specifically as it relates to the reversal of Earth's magnetic poles; also the magnetic properties that rock acquires during formation.
    • A. 

      True

    • B. 

      False

  • 22. 
    Sedimentary Rock Features
    • A. 

      Stratification

    • B. 

      Cross-beds

    • C. 

      Graded bedding

    • D. 

      Mud Cracks

    • E. 

      Fossils and Concretions

  • 23. 
    Metamorphic rock forms when heat, pressure, or a chemical process ir applied on a rock and becomes another.
    • A. 

      True

    • B. 

      False

  • 24. 
    Shield: large areas of exposed Precambrian rocks in every continent except Antarctica
    • A. 

      True

    • B. 

      False

  • 25. 
    Spits: a long, narrow deposit of sand connected at one end of the shore.
    • A. 

      True

    • B. 

      False

  • 26. 
    Sedimentary rock forms when sediment deposits that form when rocks, mineral crystals, and organic matter have been broken into fragments, called sediments, are composed or cemented together.
    • A. 

      True

    • B. 

      False

  • 27. 
    The boundary between tectonic plates that are sliding past each other horizontally.
    • A. 

      Transform boundary

    • B. 

      Divergent boundary

    • C. 

      Convergent boundary

    • D. 

      None of the above

  • 28. 
    The geologic era that lasted 251 million to 65.5 million years ago. Also called the Age of Reptiles.
    • A. 

      Precambrian Time

    • B. 

      Mezosoic Era

    • C. 

      Paleozoic Era

    • D. 

      Cenozoic Era

  • 29. 
    The boundary between tectonic plates that are moving away from each other.
    • A. 

      Transform boundary

    • B. 

      Convergent boundary

    • C. 

      Divergent boundary

  • 30. 
    The geologic era that lasted from 542 million to 251 million years ago.
    • A. 

      Precambrian Time

    • B. 

      Mezosoic Era

    • C. 

      Paleozoic Era

    • D. 

      Cenozoic Era

  • 31. 
    The interval of time in the geologic time scale from Earth's formation to the beginning of the Paleozoic era, from 4.6 billion years to 542 million years ago.
    • A. 

      Precambrian Time

    • B. 

      Mezosoic era

    • C. 

      Paleozoic era

    • D. 

      Cenozoic era

  • 32. 
    The source of Earth's magnetic field may be _______________________.
    • A. 

      The sun

    • B. 

      The liquid iron on Earth's outer core

    • C. 

      It's axis

    • D. 

      Other planets

  • 33. 
    The sources of energy on Earth are (select 2)
    • A. 

      The sun

    • B. 

      Other planets

    • C. 

      Radioactive decay

    • D. 

      The moon

  • 34. 
    The boundary between tectonic plates that are colliding.
    • A. 

      Convergent boundary

    • B. 

      Transform boundary

    • C. 

      Divergent boundary

  • 35. 
    Types of sedimentary rock
    • A. 

      Chemical

    • B. 

      Organic

    • C. 

      Clastic

    • D. 

      Igneous

  • 36. 
    What are the types of volcanic cones? (select the correct ones)
    • A. 

      Silicate cones

    • B. 

      Shield volcanoes

    • C. 

      Cinder cones

    • D. 

      Composite volcanoes

  • 37. 
    Tombolos: beach deposits that connect an off-shore island to the mainland.
    • A. 

      True

    • B. 

      False

  • 38. 
    What is the shape of Earth?
    • A. 

      Oval

    • B. 

      Circle

    • C. 

      Oblate spheroid

    • D. 

      Square

  • 39. 
    The current geologic era, which began 65.5 million years ago; also known as the Age of Mammals.
    • A. 

      Precambrian Time

    • B. 

      Mezosoic Era

    • C. 

      Paleozoic Era

    • D. 

      Cenozoic Era

  • 40. 
    _______ is the location within Earth along a fault at which the first motion of an earthquake occurs
  • 41. 
    _________ is the little earthquake that proceed some earthquakes.
  • 42. 
    _____________ is the hypothesis that a single large landmass broke up into smaller landmasses to form the continents, which then sifted to their present locations.
  • 43. 
    ____________ is a piece of lithosphere that has a unique geologic history and that may be part of a larger piece of lithosphere, such as a continent.
  • 44. 
    When the temperature of rock rises above its melting point, 
    • A. 

      It turns to ice

    • B. 

      It melts

    • C. 

      It hardens

    • D. 

      It vanishes

  • 45. 
    __________________ is the process by which new oceanic lithosphere (sea floor) forms when magma rises to Earth's surface at mid-ocean ridges and solidifies, as older, existing sea floor moves away from the ridge.
  • 46. 
    ___________________ are fragments of rock that form during a volcanic eruption.
  • 47. 
    __________ is the point on Earth's surface directly above an earthquake's starting point/focus.
  • 48. 
    ____________ is the least viscous type of mafic lava. It forms wrinkly volcanic rock when it cools.
  • 49. 
    ___________ is the process by which Earth's crust breaks apart; can occur within continental crust or oceanic crust.
  • 50. 
    ______________ is the solid, plastic layer of the mantle beneath the lithosphere.
  • 51. 
    ____________ is the solid, outer layer of Earth that consists of the crust and the rigid upper part of the mantle.