Types of Rocks
Across
- 2. metamorphic rock from sandstone
- 5. molten minerals on the Earth's surface
- 6. a rock made from plants buried in swamps
- 7. rock layers
- 8. a sedimentary rock
- 9. igneous rock without crystals
- 10. also called primary rocks
- 11. an extrusive igneous rock
Down
- 1. streaky and very hard rocks
- 3. an intrusive igneous rock
- 4. molten minerals found deep underground
- 7. contains fossils