Across
- 3. a place where two tectonic plates are moving apart.
- 5. is the molten rock found above the earthś surface
- 7. is the solid outermost layer of earth that consists of the crust and upper mantle.
- 9. theory explains how large pieces of the lithosphere move and change shape.
- 10. is the innermost layer of earth, composed of nickel and iron.
Down
- 1. the middle layer of rock within the earth's
- 2. the outermost layer of the earth.
- 4. a narrow valley that forms where tectonic plates separate
- 6. the hot fluid portion of the mantle.
- 8. is the molten rock found below the earthś surface.