Across
- 3. Boundary A tectonic boundary where two plates are moving toward each other
- 5. tectonics A theory explaining the structure of earths
- 9. Convergent boundaries where at least one of the tectonic plates is an oceanic crust
- 10. Energy Energy waves that result from earthquakes, explosions, or volcanoes.
- 11. A line of mountains connected by high ground
Down
- 1. Boundary An area where two crystal plates are separating
- 2. One large piece of the surface of the earth that move separately
- 4. A sudden and violent shaking of the ground, sometimes causing great destruction, such as a result of movements within the earth's crust or volcanic action.
- 5. Boundaries A three dimensional surface or zone
- 6. Boundary A fault zone where two plates slide past each other horizontally
- 7. Are cracks in the earths crust along which there is more movement
- 8. A mountain or hill, typically conical, having a crater or vent through which lava, rock fragments hot vapor, and gas are being or have been erupted from earth's crust