Across
- 4. the space occupied within the boundaries of an object
- 9. most used scale of temperature
- 10. the process of extracting moisture
- 11. a particle that is electrically charged
- 12. fluid matter having no fixed shape but a fixed volume
- 13. state of matter distinguished from solid and liquid states
- 14. not soft or yielding to pressure
- 16. gaseous phase into the liquid phase
- 18. the spatial property of being crowded together
- 20. the lowest temperature theoretically attainable
Down
- 1. a change directly from the solid to the gaseous state
- 2. The smallest particle of a substance
- 3. a fourth state of matter distinct from solid or liquid or gas
- 5. move continuously and rapidly to and from
- 6. also known as solidification
- 7. a distinct state of matter in a system
- 8. the temperature at which a liquid boils and turns to vapour
- 15. the strength and vitality required for sustained physical or mental activity
- 17. that which has mass and occupies space
- 19. temperature at which it changes state from solid to liquid