Across
- 3. Is the term used to describe how light is reflected from a mineral's surface.
- 6. Is a sedimentary rock that forms when rock fragments are squeezed together.
- 8. Breaks in Earth's crust where rocks have slipped past each other is called _______________.
- 9. Vibrations that travel through Earth carrying the energy released during an earthquake.
- 11. Forms when pieces of rock are pressed and cemented together.
- 14. has a fine grain.
- 16. Comes from the Latin word "ignis" meaning fire.
- 17. IS the softest known mineral.
- 18. Is a device that bounces sound waves off underwater objects and records the echoes of the sound waves.
Down
- 1. The process by which ocean floor sinks beneath a deep-ocean trench and back into the mantle.
- 2. The transfer of energy through space.
- 4. Comes from the Greek word "meta" meaning change and "morphosis" meaning form.
- 5. Is a rounded, hallow rock that is often lined with mineral crystals.
- 6. Is the process by which atoms are arranged to form a material with a crystal structure.
- 7. Is generally a light-colored rock that has a high silica content.
- 10. Is a mixture in which one substance is dissolved in another.
- 11. The color of a mineral's powder.
- 12. You would divide the mass by volume to find the _________________.
- 13. Running water, wind, or ice loosen and carry away fragments of rock.
- 15. Has a density of 2.0-2.1/gm3.