Across
- 2. A supercontinent that existed millions of years ago before breaking apart
- 3. When a mineral breaks along flat, smooth surfaces
- 4. When one tectonic plate sinks under another at a convergent boundary
- 5. A natural, non-living solid with a definite chemical makeup and structure
- 7. the transfer of heat through direct contact between particles
- 9. To increase in size or volume, usually when heated.
- 10. To decrease in size or volume, usually when cooled
- 11. The rigid outer layer of Earth
- 12. The amount of atoms packed into a given space; how compact something is
Down
- 1. the transfer of heat through waves of energy (infrared radiation) without needing particles or matter
- 3. the transfer of heat through the movement of liquids or gases as warmer, less dense parts rise and cooler, denser parts sink
- 6. How a mineral reflects light
- 8. the speed of an object in a certain direction
- 9. the ability to cause change or do work