Across
- 3. An opening in the earth's surface that can spew melted rocks and gases.
- 5. Crust and upper potion of the earth's mantle.
- 7. the amount of mass contained in a given volume.
- 9. Land that is made up of more than one continent.
- 12. somewhere inside the earth where the earthquake starts.
- 13. Tectonic plates that are pushing under another tectonic plate.
- 15. Energy wave that transfer into space.
- 16. average kinetic energy.
- 18. Earth's thickest layer.
- 19. location of excess radioactivity.
Down
- 1. An amount of Force in an area.
- 2. A break or Fracture in a rock layers.
- 3. A long chain of volcanoes.
- 4. molten layer of the upper mantle.
- 6. The focus where the earthquake starts.
- 8. A release of energy in the earth;s crust.
- 10. Solid rock layer.
- 11. AN amount or thermal energy that transfers from a area or a object.
- 14. Below earth's mantle which contains nickel and iron.
- 16. a long narrow depression on the bottom of the ocean.
- 17. Ground that is usually frozen from year to year.