Across
- 2. is the very hot, very dense center of our planet.
- 4. the rigid outer part of the earth, consisting of the crust and upper mantle.
- 6. is the outermost layer of our planet.
- 8. is a fracture or break in the Earth's crust.
- 9. is a boundary that occurs when two tectonic plates collide with each other.
- 10. is an opening in the Earth’s surface that allows gas, hot magma and ash to escape from beneath the Earth’s crust.
Down
- 1. is a type of fault in which two tectonic plates slide past one another.
- 3. is a boundary that occurs when two tectonic plates are getting pushed apart.
- 5. the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
- 7. is a sudden, violent shaking of the ground.