Random Tectonic plate and topographic vocabs!

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Across
  1. 3. A type of tectonic plate where 2 plates move away from each over as. Causes seafloor spreading in oceanic plates.
  2. 5. An old and stable part of the continental lithosphere, which consists of Earth's two topmost layers, the crust and the uppermost mantle
  3. 6. The study of earthquakes and the propagation of elastic waves through the Earth or other planetary bodies
  4. 7. A collision between two of Earth's tectonic plates, where one plate sinks into the mantle underneath the other plate.
  5. 8. solid piece of debris from an object, such as a comet, asteroid, or meteoroid, that originates in outer space and survives its passage through the atmosphere to reach the surface of a planet or moon
  6. 9. A type of tectonic plate where 2 plates move into each other. A cause of mountains.
Down
  1. 1. The scientific theory that Earth's lithosphere is comprised a number of large tectonic plates which have been slowly moving since about 3.4 billion years ago
  2. 2. A type of tectonic plate where 2 plates move past each other in opposite directions.
  3. 4. The study of the forms and features of land surfaces.
  4. 6. A wave of acoustic energy that travels through the Earth or another planetary body. It can result from an earthquake, volcanic eruption, magma movement, a large landslide, and a large man-made explosion