Plate teconics

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Across
  1. 3. Theory that the earth is broken into pieces called plates that are slowly being recycled at the plate boundaries.
  2. 7. theory that the sea floor is getting wider in the atlantic, this splitting North and South America from Europe and Africa.
Down
  1. 1. Plastic upper mantle and lower crust of the Earth.
  2. 2. Hard upper crust of the Earth.
  3. 4. Plate boundaries that are sliding past each other.
  4. 5. Plate boundaries that are moving apart.
  5. 6. Plate boundaries that are colliding.