Across
- 4. What Wegner called a landmass or supercontinent
- 9. Connects points of equal elavation
- 10. The layer immediately below the lithosphere
- 12. The process by which new sea floor forms
- 15. Two tectonic plates can move past one other in opposite directions
- 16. Changes the chemical makeup of a rock
- 17. Amount of force per area put on a body
- 20. Studies of the sea floor revealed underwater mountain belts
- 21. System of ideas that explains many related observations about the natural world
- 22. The process by which rock breaks down into smaller pieces or changes in comparison
- 24. The difference between the highest and lowest elevations in particular area
- 25. The process by which one tectonic plate is pulled beneath another plate
Down
- 1. States that Earth's surface is made up of giant moving slabs
- 2. Change of magnetic poles
- 3. The bending, tilting, and breaking of rock
- 5. The shape and size of the land features on Earth's surface
- 6. When tectonic plates move toward each other and collide
- 7. Also called mechanical weathering is the breakdown of rock into smaller pieces
- 8. A thicker contour line that often has an elevation label
- 11. Shows the shape of Earth's surface with lines that represent different evalations
- 13. When two tectonic plates move away from one anotheror diverge
- 14. Hypothesis that today's continents were once part of a single landmass.
- 18. The outermost physical layer of Earth
- 19. Lays down rock, sediment, and soil
- 23. Transports rock,sediment,and soil from one place to another