Across
- 1. molten rock outside earth
- 2. the ratio of mass and volume
- 7. a visual attribute of an object based on perception
- 8. resistance of a mineral to be scratched
- 10. the appearance or character
- 11. rock has been altered due to an increase in pressure and temperature
- 12. above earth crust
Down
- 1. the shine of an unweathered material or the way it looks in reflected light
- 3. below earth crust
- 4. when a rock breaks irregularly
- 5. molten rock in earth
- 6. rock forms when molten material solidifies
- 9. a naturally formed solid that is part of the earth or any other celestial object