Thermal Energy

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Across
  1. 1. compressible and able to fill any size of container
  2. 4. SI unit used to measure work
  3. 5. scale that has a lower fixed point of zero degrees
  4. 11. temperature at which a solid becomes liquid at standard pressure
  5. 12. change of state from liquid to gas
  6. 13. states that heat is an invisible fluid
  7. 15. scale that is 5/9th of the celsius scale
  8. 16. smallest particle of an element
  9. 17. takes the shape of the container
  10. 18. states that matter is made up of atoms/molecules in constant motion
Down
  1. 2. change of state from solid to gas
  2. 3. occurs when hot air rises and cold air falls to take its place
  3. 6. are incompressible and particles are close together
  4. 7. an atom or molecule that has gained or lost and electron
  5. 8. scale that assumes there is an absolute zero of temperature
  6. 9. on the celsius scale one hundred degrees is the ________ fixed point
  7. 10. takes place when an object is heated and distance between molecules increases
  8. 14. Hotness or coldness of an object
  9. 19. performed an experiment showing that friction can biol water