Seafloor Spreading

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Across
  1. 1. the formation of new areas in oceanic crust
  2. 4. Spreads apart pushing older rock farther away
  3. 6. the border between two plates.
  4. 8. uses sound waves to locate things in the sea
  5. 9. discovered seafloor spreading using sonar
Down
  1. 2. found under the oceans and formed at spreading centres on oceanic ridges
  2. 3. cause to break away through faulting caused by plate tectonics
  3. 5. oceanic plate runs into a continental plate and slides beneath it
  4. 7. Lowland religion that forms where the earth section moves apart.