091825 091925 Crossword - Earth's Crust

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Across
  1. 3. the Ring of Fire is found in the _____ Ocean
  2. 6. most earthquakes and volcanoes occur at the _____ (3 words, no spaces)
  3. 7. large, shifting pieces that make up the Earth's crust (2 words, no spaces)
  4. 11. give scientists a window into what's underneath the Earth's crust; there are two types - some that ooze molten rock and others that explode
  5. 12. when tectonic plates pull away from one another, we get _____ boundaries
  6. 13. shifting tectonic plates cause _____
  7. 14. the innermost layer of the Earth; it consists of an outer portion and an inner portion
  8. 15. a device that monitors earthquakes
Down
  1. 1. the layer of the Earth located just below the crust
  2. 2. a convergent plate boundary where one plate goes under another
  3. 4. when tectonic plates come together, we get _____ boundaries
  4. 5. just like a volcano but it erupts with boiling water and steam
  5. 8. when tectonic plates slide past one another, we get _____ boundaries
  6. 9. scientists believe that at one time all the plates of Earth's crust were one piece called _____
  7. 10. the outermost layer of the Earth; it is where all life occurs