Hot stuff

2. a minute portion of matter
4. the transfer of thermal energy that occurs when particles collide
8. a device used to measure the temperature in a specific unit
9. the thermal energy needed to vaporize one kg of a liquid
11. the amount of thermal energy needed to melt one kg of a substance
13. whenever there is an opportunity for energy dispersal, energy always spreads out
15. the amount of energy that must be added to his unit mass of the material to raise temperature by one temperature unit
17. the relationship between the particles random motion and the bulk property of the material
18. the transfer of energy by electromagnetic waves
19. a substance changes from liquid to gas at this point

1. the measure of the dispersal of energy
3. the state in which the rate of thermal energy transfer between two objects are equal and the objects are at the same temperature
5. the change in thermal energy of an object is equal to the heat added to the object minus the work done by the object
6. the degree or intensity of heat present in a substance or object
7. a substance changes from solid to liquid at this point
9. the transfer of thermal energy, which occurs spontaneously from the hotter object to a cooler object
10. heating caused by the motion of fluid in a liquid or gas due to temperature differences
12. SI unit for temperature
14. the internal energy of an object due to the kinetic energy of its atoms and/or molecules
16. a device that is able to continuously convert thermal energy to mechanical energy