Plate Tectonics

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Across
  1. 4. currents / Formed when magma rises and flows under the plates.
  2. 5. / There are 7 of these of plates.
  3. 7. / The upper mantle.
  4. 9. / What pulls the crust away from he ridge as it cools.
  5. 10. / The hot semi-solid rock in the asthenosphere.
Down
  1. 1. Eruption / An effect of continental drift.
  2. 2. Drift / The name for the process of continents changing their configuration.
  3. 3. / The heat produced from this process in the earth's core is the driving force for continental drift.
  4. 6. / The centre of the earth contains this and heavy atoms.
  5. 8. plates / Plates larger than continents that float on the asthenosphere.