Across
- 3. Plate boundaries slide past each other in two opposite horizontal directions
- 4. Innermost layer of the Earth
- 7. The breaking down of rocks and other materials on the Earth's surface by wind, rain, and other forces
- 8. Heat is transferred in waves through the air
- 10. A volcanically active area
- 11. Molten rock at or above Earth's surface
- 15. Type of rock that forms from sediments
- 19. Area of volcanic and seismic activity that surrounds the Pacific plate
- 20. Shaking or trembling of the Earth's crust
- 21. Blocks near the fault move horizontally past one another
- 23. Type of rock that forms from magma or lava
- 25. Not from a living thing
Down
- 1. Force that pulls on the ends of rock causing it to get thinner in the middle
- 2. Type of rock that forms from great heat and pressure
- 5. Process by which weathered rock and soil are moved from one place to another
- 6. A series of processes on the surface and inside Earth that slowly changes rocks from one kind to another
- 9. When plate boundaries move towards each other
- 12. All water on Earth
- 13. The Earth itself
- 14. Lava moving across Earth's surface
- 16. Molten rock below Earth's surface
- 17. Plate boundaries move away from each other
- 18. Process in which sediment is laid down in new locations
- 22. Occurs where one plate moves under another plate
- 24. Outermost layer of the Earth