Across
- 2. igneous rocks are composed of these chemical compounds
- 4. dark coloured fine-grained igneous rock, formed when lava cools
- 5. dark coloured coarse-grained intrusive igneous rock
- 8. molten rock
- 11. outermost layer of the geosphere
- 14. mountain formed when magma reaches Earth's surface
- 15. living layer of the Earth
- 16. liquid layer of the Earth
- 17. igneous rock that floats in water
- 19. rock layer of the Earth
- 21. rocktype formed when magma cools and solidifies
Down
- 1. regular 3D lattice of atoms, found in igneous rocks
- 3. name for magma at the Earth's surface
- 6. class of igneous rocks, that form at Earth's surface
- 7. class of igneous rocks, that form deep below the Earth's surface
- 9. gas layer of the Earth
- 10. light coloured coarse-grained intrusive igneous rock
- 12. dark igneous rock, full of bubbles
- 13. innermost layer of the geosphere
- 18. middle layer of the geosphere
- 19. study of the geosphere
- 20. glassy igneous rock