Heat and Heat Transfer Crossword

1. The quantity of heat required to raise the temperature of a unit mass of a certain substance by 1 degree.
3. Radiant energy is in the form of these kinds of waves. Examples are microwaves, X-rays, visible light, etc.
7. Matter around us exists in three common _______.
10. Molecules in the gaseous phase are known as this.
11. A quantity proportional to the average kinetic energy of molecular translational motion.
12. Process of changing a gas to a liquid.
17. Change in phase from liquid to solid is known as this.
19. These are known as the best heat conductors.
20. Process of changing from a liquid to a gas but occurs BENEATH the surface of a liquid, causing bubbles to form.
22. The lowest possible temperature on the Kelvin scale.

2. When temperature between two objects in contact reach the same temperature, we say the objects are in _______________.
4. Temperature scale used in the United States.
5. Temperature scale in which the gap between freezing and boiling is divided into 100 equal parts (called degrees).
6. Heat transfer that occurs through direct contact between two objects.
8. Change of phase from liquid to gas that takes place at the surface of a liquid.
9. Heat transfer method that occurs by currents in a fluid.
13. When the temperature of a substance is increased, its molecules move faster and normally tend to move farther apart, resulting in this.
14. Objects that delay the transfer of heat because they are poor conductors.
15. The energy that transfers from one object to another because of a temperature difference.
16. The grand total of all energies inside a substance.
18. The sun’s heat is transmitted through this method of heat transfer.
21. Temperature scale used in scientific research and is considered the SI scale.