owen b. ryder science crossword

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