Across
- 1. form of matter state
- 6. with almost no matter
- 7. per unit volume
- 10. of space occupied
- 12. with direction
- 13. of matter with fixed volume
- 14. Rate of change across distance
- 16. transfer by force through distance
- 19. of average kinetic energy
- 21. state of matter
- 25. of bonded atoms
- 26. Unit of heat energy
- 28. Rapid vaporization in liquid
- 32. Common temperature scale unit
- 34. Decrease in volume under pressure
- 35. piece of matter
- 36. Change from liquid to solid
- 39. of motion
- 41. unit of ordinary matter
- 43. charged particle
- 44. Heat transfer by fluid motion
- 45. Increase in size or volume
- 46. core of atom
- 47. Material resisting heat flow
- 48. Energy emitted as waves or particles
Down
- 1. exerted per unit area
- 2. Solid changing directly to gas
- 3. of matter with no fixed shape
- 4. transferred by temperature difference
- 5. of light energy
- 8. Heat transfer through contact
- 9. of energy transfer
- 11. particle in nucleus
- 15. Spreading of particles in fluid
- 17. of disorder in a system
- 18. Force resisting motion between surfaces
- 20. Material allowing heat flow
- 22. to do work
- 23. of matter with fixed shape
- 24. Body storing thermal energy
- 25. Change from solid to liquid
- 27. charged particle
- 29. Absolute temperature scale unit
- 30. or pull on an object
- 31. of matter in an object
- 33. heat content of a system
- 37. Impact between particles
- 38. Slow vaporization at surface
- 40. Gas changing to liquid
- 42. Balance of opposing processes