Across
- 4. a dark, fine-grained volcanic rock that sometimes displays a columnar structure.
- 5. he outermost shell of a terrestrial planet.
- 7. the largest layer of Earth's interior, making up approximately 84% of Earth's volume
- 9. part of the earth's atmosphere between the stratosphere and the thermosphere
- 11. is an igneous rock, which means it formed from magma, or melted rock.
- 12. Is a vertical transport of heat and moisture in the atmosphere
Down
- 1. molten rock that is underground and lava for molten rock
- 2. is the solid, outer part of Earth.
- 3. a fluid layer about 2,260 km (1,400 mi) thick, composed of mostly iron and nickel
- 5. The innermost part of Earth is the core and is about 1500 miles (2414 km) thick.
- 6. he innermost part of Earth is the core and is about 1500 miles (2414 km) thick.
- 8. the upper layer of the earth's mantle, below the lithosphere
- 10. Earth's great density comes from its rocky mantle and metallic core