Chapter 3: Earth Structure and Plate Tectonics

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Across
  1. 4. The Earth's surface is broken up into a number of ___________ plates.
  2. 7. All continents in one landmass.
  3. 8. At a __________ boundary, tectonic plates slide past one another.
  4. 11. A ________ boundary is when two tectonic plates are moving away from one another.
  5. 12. The flow of magma within Earth that can cause movement in tectonic plates.
  6. 16. The crust, mantle and the core are categorized based on ________________.
Down
  1. 1. Volcanoes, earthquakes, and tsnumani are commonly seen around ______________ boundaries.
  2. 2. The displacement of fluid as an object floats.
  3. 3. A _________ records residual magnetism in the seafloor.
  4. 5. S waves ________ pass through liquids.
  5. 6. The ________ islands were formed by a hot spot.
  6. 9. __________ is when one plates is forced under another.
  7. 10. The layers of the Earth are arranged by _________.
  8. 13. when two plates of ___________ density collide, you often see the formation of mountains.
  9. 14. _________ waves travel though Earth.
  10. 15. The Earths core is ___________ due to pressure.