Unit 2 Thermal Energy Vocab

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Across
  1. 3. a small portion of matter
  2. 6. movement of energy from one place or object to another
  3. 8. light energy hits a surface and converts into heat energy
  4. 12. matter is not able to enter or leave a system
  5. 14. matter can leave from or escape to the surroundings
  6. 15. a state of matter that has a definite shape & definite volume
  7. 17. a substance that reduces the transfer of thermal energy
  8. 19. the variable that is manipulated or changed; the variable that causes the effect that is being studied
  9. 20. the state of matter that has a definite volume but no definite shape
  10. 21. energy that is radiated or transmitted in the form of rays or waves or particles
  11. 22. the variable in an experiment that a scientist purposely keeps the same
Down
  1. 1. a change of energy from one form to another
  2. 2. a state of mater with no definite shape or volume
  3. 4. the change of state from a liquid to a gas
  4. 5. the movement of energy from a warmer object to a cooler object
  5. 7. the variable that is the result or effect being measured; the variable that may change in response to manipulations of the independent variable
  6. 9. the total energy of motion in the particles of a substance
  7. 10. the change of state from a gas to a liquid when a cold surface meets warmed air
  8. 11. a measure of how hot or cold something is; specifically, a measure of the average kinetic energy of the particles in an object
  9. 13. a measure of the amount of matter in an object
  10. 16. a from of heat transfer where energy is directly transferred between molecules through molecular collisions or direct contact
  11. 18. compares the amount of matter an object has to its volume