Across
- 4. igneous rocks crystals that have grown into each other
- 6. - igneous rocks that form on the surface of the earth
- 7. layer of the earth below the crust
- 8. molten rock reaching the earths surface
- 9. molten rock that doesnt reach the earths surface
Down
- 1. rocks hard and strong
- 2. chemical substances found in rocks
- 3. - a solid that has a variety of shapes
- 5. - the study of rocks