Module 9 Vocab - Science 7

5. when particle motion decreases causing the particles to occupy less space
7. a system that exchanges matter or energy with the environment
11. the change of state from a gas to a liquid
12. the study of heat
14. the object that gains the energy
16. vaporization that occurs within a liquid
19. the transfer of thermal energy by the movement of particles from one part of a material to another
21. the measure of the average kinetic energy of the particles in a material
23. the amount of thermal energy moving from a region of higher temperature to a region of lower temperature
24. when the temperatures of materials that are in contact are the same
25. the process of a substance losing energy and changing from a liquid to a solid

1. the change in state from a liquid into a gas
2. the increase in a material's volume when particle motion increases
3. the total energy of a system that is dependent on the number or particles in the system, the state of the material, and the temperature
4. stored energy due to the interactions between particles or objects
6. vaporization that happens on the surface of a liquid
8. the object that provides the energy transferred
9. a thermal _______ is a material through which thermal energy does not flow easily
10. describes the movement of particles of matter in all directions at different speeds
13. the process of a substance gaining energy and changing from a solid to a liquid
15. a thermal _______ is a material through which thermal energy flows easily
17. a system that does not exchange matter or energy with the environment
18. the amount of thermal energy required to increase the temperature of 1kg of a material by 1 degree Celsius
20. the energy of motion
22. the transfer of thermal energy from one material to another by electromagnetic waves