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Mid-Term Final

  1. What should you do if you are in a car and an earthquake happens?
    Stop and stay inside!
  2. Who studies plants and animals that live in the ocean?
    Biological oceanographer
  3. The uranium-lead method is useful in...
    Determining the age of Earth's oldest rocks.
  4. The area where two tectonic plates meet is called a ___________
    boundary
  5. Theory says that a huge continent once existed. What is it called?
    Pangaea
  6. How is the intensity of an earthquake determined?
    The amount of damage it causes
  7. How is a climate model related to a complex mathematical model?
    The climate model has many variables that musts be processed by computers.
  8. According to geologist, how old is the Earth?
    4.6 billion years
  9. When plates slide past each other, what type of boundary is formed?
    Transform
  10. A model car is a __________model.
    Physical model
  11. What do geologist use to date rock layers?
    Index fossils
  12. When plates separate, a _________boundary forms
    Divergent
  13. The study of the origin, history and structure of the Earth is called________.
    Geology
  14. What is the largest division of geologic time?
    Eon
  15. A Normal fault occurs because of ________
    Compression
  16. Missing rock layers caused by erosion are called________________.
    Unconformities
  17. What type of boundary is formed when plates collide?
    Convergent
  18. Nonmetallic minerals that are valued for their beauty and rarity are called
    ______________
    Gemstones
  19. Surface mines are____________
    Open pit and quarry mines
  20. To measure the mass of a horse, what unit of measurement would you use?
    Kilogram
  21. A mineral deposit that is large and pure enough to be mined is called a(n)___________
    Ore
  22. Earth's largest mass extinction occurred in which era?
    Paleozoic
  23. The Earth's core has a liquid layer. What is it called?
    Outer core
  24. Why do geologist use a geologic time scale?
    To divide the Earth's history into manageable parts.
  25. Elastic deformation leads to ________
    earthquakes
  26. The amount of ground motion determines the __________of an earthquake
    strength or magnitude
  27. The ___________ is the Earth's outermost layer.
    Lithosphere
  28. In order for a scientist to figure out the absolute age of a rock, he/she must...
    figure out the rate of decay for a radioactive element in the rock.
  29. Scientist believe that ____________was a major cause of the extinction of dinosaurs.
    Climate change
  30. The point where an earthquake begins is called the ___________
    focus
  31. The area on the surface of the Earth directly above the focus of an earthquake is called the __________
    epicenter
  32. The Richter magnitude scale measures the ______________________
    strength of an earthquake
  33. Most _________________occur along the edges of _____________ ___________.
    earthquake; Tectonic plates
  34. Sea-floor spreading takes place along the __________________
    Mid-ocean ridges
  35. What are seismic waves?
    Waves of energy from earthquakes that travel through the Earth in all directions.
Author
martha.hulsey
ID
55237
Card Set
Mid-Term Final
Description
Chapters 1, 3, 6, 7, 8
Updated

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