Across
- 3. Molten rock beneath the Earth's surface
- 6. Type of fault where two plates move apart from one another.
- 10. A scale measuring the intensity of an earthquake, ranging from 1-10.
- 12. Outer most layer of the Earth's surface which floats on the mantle and is made up of tectonic plates.
- 14. A type of fault where two plates collide with each other.
- 15. Volcano which has more violent, deadly eruptions which mainly contain ash and heated gas.
- 19. Another name for the crust and the upper mantle.
- 20. Magma that reaches Earth's surface.
- 21. Volcano built up by layers of lava emissions.
- 23. Instrument which measures and records the intensity of earthquakes.
- 25. What happens when one plate slides under another.
Down
- 1. A fracture in the Earth's crust caused when two plates move apart from each other.
- 2. Solid portion of the center of the Earth.
- 4. A narrow raised portion of land where two plates come together.
- 5. A wave of energy released when two plates slide against or past each other.
- 7. Area in which the plates first break or slide across each other.
- 8. Type of fault characterized by two plates sliding against each other (ex- One moving north, the other moving south).
- 9. Another name for the mantle.
- 11. Transfer of heat in a circular motion.
- 13. Hot rock, ash, or gases released by the eruption of a composite volcano.
- 16. Theory which states that the earth is made up of moving plates.
- 17. Oceanic crust which slides beneath another plate.
- 18. An opening in the Earth's surface which allows heat, gas or lava to escape.
- 22. More fluid yet solid portion of the center of the Earth.
- 24. Portion of the earth made up of molten rock/magma beneath the crust but outside of the core and comprises 70% of Earth's volume.