Physical Review

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Across
  1. 2. anything that has mass and takes up space
  2. 3. a substance made up of one type of an atom
  3. 5. a device used to measure
  4. 7. condition in which matter is in. solid, liquid, or gas
  5. 8. molecules that are free from eachother
  6. 9. the smallest piece of matter
Down
  1. 1. formula it lists all the elements in a compound
  2. 2. change in position
  3. 4. that amount of force the Earth's gravity pullls down and object
  4. 6. change in velocity
  5. 7. study of motion and energy