Across
- 6. Atom with lost or gained electrons.
- 7. Measures energy released (magnitude) of an earthquake.
- 12. Rates the damage and effects of an earthquake.
- 15. Liquid→ Gas.
- 16. Positive particle in the nucleus.
- 17. Mountain-building events.
- 18. A break in rock where movement occurs.
- 19. Uses sound waves to map underwater features.
- 20. Height above sea level.
- 22. Gas→ Liquid.
- 24. Gas→ Solid.
- 25. Balance of forces between crust and mantle.
- 26. A surface wave that causes ground motion.
- 27. Cannot travel through liquids or Earth’s core.
Down
- 1. Mountain formed when faults uplift blocks of crust.
- 2. Large ocean wave caused by underwater earthquakes.
- 3. Landform that rises high above surrounding terrain.
- 4. Liquid→ Solid.
- 5. Instrument that detects and records earthquake waves.
- 8. Uses radio waves for mapping and detection.
- 9. Fastest seismic wave; first to arrive.
- 10. How much strain a rock can take without breaking.
- 11. Neutral particle in the nucleus.
- 13. Negatively charged particle.
- 14. Movement or shaking of the ground from sudden release of energy.
- 21. Quick downhill movement of rock or debris triggered by shaking.
- 23. Large landmasses on Earth.