Across
- 2. sudden falling down (of a structure)
- 3. the force of one object striking another
- 6. a break into two or more pieces
- 9. removal of surface material by rubbing
- 10. discovery and examination of facts about something
Down
- 1. a pulling or stretching force
- 2. pressing together so that the volume is reduced
- 4. disintegration due to chemical reaction with water and oxygen
- 5. fatigue, damage cause by continued loading
- 7. temporary bending due to compression
- 8. shock, expansion or contraction because of excessive heat or cold