Thermal Energy Vocabulary

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Across
  1. 6. Light moves right past the particles
  2. 8. Measure of Average Kinetic Energy
  3. 11. Light reflects off the particles
  4. 13. Process in which molecules of a gas slow down, come together, and form a liquid.
  5. 14. Water slowly changes from a liquid to a gas and single molecules of water leave the surface to go into the air one at a time
  6. 15. The variable in the experiment that changes
Down
  1. 1. Energy comes from heat
  2. 2. A set of things working together as parts of a whole
  3. 3. Anything that has mass and takes up space
  4. 4. No matter can get in or out of the system
  5. 5. Particle of matter that is made up of two or more atoms that are formed together
  6. 7. Matter can get in and out of it through openings in the system
  7. 9. Light transfers energy directly into a particle of matter
  8. 10. Variables that are kept the same to keep each test consistent across an investigation
  9. 12. the variable that can be measured