Quarter 3 Review

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Across
  1. 1. boundary where plates collide and create mountains
  2. 4. Outer most physical layer
  3. 7. boundary where plate movement causes midoceanridge
  4. 8. type of rock that is created due to heat and pressure
  5. 9. when one plate goes under another less dense plate
Down
  1. 1. currents occur in asthenosphere when heat rises and cool particles sink
  2. 2. densest compositional layer equals 1/3 earth's mass
  3. 3. heat transfer from one solid to another
  4. 5. electromagnetic waves from the Sun
  5. 6. occur when 2 plates slide past each other