Layers of the Earth Crossword

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Across
  1. 4. ________ crust that is below the ocean.
  2. 9. _________ crust that forms land.
  3. 10. the measure of how hot or cold something is.
  4. 12. __________boundary occurs when plates slide past each other.
  5. 13. __________boundary occurs when tectonic plates collide or come together.
  6. 15. __________boundary occurs when plates separate or move apart.
  7. 16. _________ rock that is liquid or melted.
  8. 17. having a consistency like that of water or oil
Down
  1. 1. is the mixture of what something is made up of.
  2. 2. the rigid outer part of the earth, consisting of the crust and upper mantle.
  3. 3. ________ currents are a current in a fluid that results from convection.
  4. 5. the second layer of the Earth which is a thick, solid rock layer.
  5. 6. ______ core is the solid layer made of iron and nickel
  6. 7. the line layer, where we live, made of rock.
  7. 8. a theory proposed by Alfred Wegener and connects the evidence for the formation, movement, and destruction of the tectonic plates.
  8. 11. __________ core that is at the center of the earth but is liquid iron and nickel.
  9. 14. firm; not a liquid
  10. 15. the measure of compactness of a substance, measured by mass per unit volume.