Module 9 Vocab - Science 7

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Across
  1. 5. when particle motion decreases causing the particles to occupy less space
  2. 7. a system that exchanges matter or energy with the environment
  3. 11. the change of state from a gas to a liquid
  4. 12. the study of heat
  5. 14. the object that gains the energy
  6. 16. vaporization that occurs within a liquid
  7. 19. the transfer of thermal energy by the movement of particles from one part of a material to another
  8. 21. the measure of the average kinetic energy of the particles in a material
  9. 23. the amount of thermal energy moving from a region of higher temperature to a region of lower temperature
  10. 24. when the temperatures of materials that are in contact are the same
  11. 25. the process of a substance losing energy and changing from a liquid to a solid
Down
  1. 1. the change in state from a liquid into a gas
  2. 2. the increase in a material's volume when particle motion increases
  3. 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. 4. stored energy due to the interactions between particles or objects
  5. 6. vaporization that happens on the surface of a liquid
  6. 8. the object that provides the energy transferred
  7. 9. a thermal _______ is a material through which thermal energy does not flow easily
  8. 10. describes the movement of particles of matter in all directions at different speeds
  9. 13. the process of a substance gaining energy and changing from a solid to a liquid
  10. 15. a thermal _______ is a material through which thermal energy flows easily
  11. 17. a system that does not exchange matter or energy with the environment
  12. 18. the amount of thermal energy required to increase the temperature of 1kg of a material by 1 degree Celsius
  13. 20. the energy of motion
  14. 22. the transfer of thermal energy from one material to another by electromagnetic waves