Thermal Energy

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Across
  1. 2. to reach a conclusion using evidence and reasoning
  2. 3. the moment when two objects hit each other
  3. 4. a heating unit that stores and warms water
  4. 5. when something becomes different over time
  5. 8. a small part that is meant to show what the whole is like
  6. 9. a group of atoms joined together in a particular way
  7. 11. the ability to make things move or change
  8. 12. a set of interacting parts forming a complex whole
  9. 14. tiny organisms tha are made of a single cell
  10. 15. anything that has mass and takes up space
  11. 18. when something stays mostly the same over time
  12. 19. a measure of how hot or cold something is
Down
  1. 1. water that is underground
  2. 6. a number found by adding all the numbers in a list and then dividing by the number of numbers in the list
  3. 7. a group of atoms joined together in a particular way
  4. 10. the total kinetic energy of all the molecules that make up a sample
  5. 13. a balanced state in which a system is stable, such as when two or more samples are at the same temperature
  6. 16. to move from one object to another or one place to another
  7. 17. the energy that an object has because it is moving