1
				2											3					4
				5													6
											7
		8						9
	10																					11
12						13
													14			15
										16
												17
	18					19
															20
													21
			22														23		24
				25
					26

Across 3. solids that are good conductors of heat 5. the lowest energy state of matter 7. the temperature of a substance undergoing a phase change is ___________ 8. gases are good insulators because their molecules are _____ 12. the changing of a liquid to a gas 15. all molecular motion ________ at absolute zero 17. the measure of the kinetic energy of the particles inside a substance 18. heat transfer using direct contact between substances 21. the changing of a liquid to a solid 22. gases and liquids, but not solids, are both ________ 23. the temperature scale that has no negative values 25. zero on the Kelvin scale 26. a device that measures temperature

Down 1. when objects (especially fluids) heat up the _________ 2. as a substance heats up, the particles start to move _______ 3. the changing of a solid to a liquid 4. the lower the temperature of a substance the ________ the particles are moving 6. substances that are poor conductors of heat 9. heat transfer using waves 10. heat energy always moves from______ __ ______ 11. weather is an example of ________________ 13. the highest energy state of matter 14. the amount of energy required to raise the temperature of 1 kg by 1 deg C 16. the changing of a gas to a liquid 19. water freezes at zero degrees _________ 20. the transfer of energy from a higher temperature object to a lower temperature object 24. the middle energy state of matter