Across
- 5. A huge hole that is left behind after a volcano collapses.
- 7. of the Muses A place where many examples of the arts and
- 8. layers.
- 10. A significant Egyptian city that was a center of learning.
- 11. An igneous rock layer that forms when magma hardens beneath
- 12. A military machine that threw stones at enemy forces and
- 13. A slab of volcanic rock that forms when magma forces itself across
- 14. surface.
Down
- 1. the crust.
- 2. were stored.
- 3. A culture that combined Greek, Persian, Egyptian, and Indian
- 4. of rock.
- 6. the Great The ruler of a large empire that stretched through
- 9. A mass of rock that forms when a large body of magma cools
- 12. Asia.
- 15. A slab of volcanic rock that forms when magma squeezes between
