Review Vocabulary Unit 2

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Across
  1. 5. sudden and violent shaking of the ground
  2. 6. core mostly composed of liquid iron and nickel
  3. 7. outermost layer of the Earth
  4. 9. the mostly-solid bulk of Earth's interior
  5. 11. countries that have a high standard of living and a large GDP.
  6. 14. make (something, especially something bad) to happen.
  7. 16. eruption when molten rock called magma rises to the surface and creates an explosion.
  8. 17. boundary that occurs when two or more lithospheric plates collide
Down
  1. 1. a scale of numbers used to tell the power (or magnitude) of earthquakes
  2. 2. core the innermost geologic layer of Earth
  3. 3. described as any uncontrolled burning of plants in a natural setting
  4. 4. rock that in its molten form issues from volcanos
  5. 8. plates theory that Earth's outer shell is divided into large slabs of rock
  6. 10. boundary that occurs when two plates slide past each other, horizontally
  7. 12. boundary that occurs when two tectonic plates move away from each other
  8. 13. countries with a low standard of living and a much lower GDP.
  9. 15. a result or effect of an action or condition.