Plate Tectonics

1234567891011
Across
  1. 3. where two tectonic plates meet
  2. 4. the ocean floor
  3. 5. when the plates come togeather
  4. 9. when the plates split apart
  5. 10. pieces of the lithosphere that move aroundon top of the asthenosphere
Down
  1. 1. where the plates are slidding past one another
  2. 2. the process where molten rock from inside earth rises through the cracks in ridges, cools and forms new oceanic crust
  3. 3. was the supercontinent tht existed during the paleozoic and mesozic eras about 250 million years ago
  4. 6. An opening in the earth's crust through which molten lava, ash, and gases are ejected
  5. 7. the theory that explains how large pieces of the lithosphere called plate move ans change shape
  6. 8. 1.A large natural elevation of the earth's surface rising abruptly from the surrounding level; a large steep hill.
  7. 11. Any of the world's main continuous expanses of land