Across
- 3. the earth's surface from the edge of a continent to the deep part of the ocean
- 4. a rock layer between the earth's crust and core
- 6. the center of the earth made up of iron and nickel
- 9. the combined characteristics of landforms and their distribution in a region
- 13. the level at which rock is saturated
- 15. the solid rock portion of the earth's surface
- 16. the difference in elevation of a landform from the lowest point to the highest point
- 17. the hypothesis that all continents were once joined into a super continent that split apart
- 18. molten rock
Down
- 1. an area drained by major rivers and its tributaries
- 2. thin layer of rock at the earth's surface
- 3. landmasses above water on earth
- 5. consists of the sun and eight known planets
- 7. the waters comprising the earth's surface
- 8. water held under the earth's surface
- 10. the continuous circulation of water
- 11. a naturally formed feature on the surface of the earth
- 12. all the parts of the earth where plants and animals live
- 14. the layer of gasses immediately surrounding the earth
