Across
- 5. Preserved remains of once-living organisms.
- 7. Large wave generated by an underwater quake.
- 9. Study of objects in space.
- 10. Mineral mined for profit.
- 12. Forces that build mountains.
- 14. Large landmass made of all the continents.
- 15. Naturally occurring, organic solid of crystals.
- 18. Study of Earth's atmosphere.
- 20. Outer layer of solid earth.
- 21. The strength of an earthquake.
- 23. The height above sea level.
- 24. A feature of Earth, such as a hill.
- 26. Waves generated by earthquakes.
- 27. The amount of damage caused by a quake.
- 28. Molten (melted) material from inside the Earth.
- 29. Rocks formed from other rocks.
- 30. Shaking of Earth caused by plate movement.
Down
- 1. Weak spot in the crust where lava erupts.
- 2. The distance N and S of the equator.
- 3. Point directly above the focus of a quake.
- 4. The shape of the land.
- 6. Magma that reaches Earth's surface.
- 8. Scale of hardness for minerals.
- 11. A crack in Earth's crust that shows movement.
- 13. Rocks formed from cooling of magma.
- 15. A 2-dimensional representation of Earth's 3D surface.
- 16. Forces that wear down the Earth.
- 17. The distance E and W of the Prime meridian.
- 19. A mineral with beauty, durability, and value.
- 22. Study of the solid Earth.
- 25. Rocks formed by heat and pressure.