1			2		3
						4
				5
															6
	7												8
						9
														10
			11						12
13
14
	15

Across 4. Igneous rocks that form at the surface 7. These are formed when molten rock cools 8. The Latin word ‘ignis’ In English 10. Type of crystal grain that forms when molten rock cools quickly 12. Fine grained, coarse grained, glassy, and vesicular all describe this 13. Type of rock formed when lava or magma cools 14. An extrusive rock formed when lava cools fast and traps pockets of air inside 15. Molten rock under the surface

Down 1. Igneous rocks that form under the surface 2. A glassy textured extrusive rock 3. Molten rock above the surface 5. A dark fine grained extrusive rock that makes shield volcanoes like the Hawaiian Islands 6. A coarse grained intrusive rock often used for nuildings and monuments 7. The second step in the process of making igneous rocks 9. Type of crystal grain that forms when molten rock cools slowly 11. The first step (process) that must happen to any rock in order to become an igneous rock