Unit 4: Thermal Energy

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