Science Potpourri

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Across
  1. 2. The minimum amount of any physical entity involved in an interaction
  2. 4. Object that stores the memory address of a value located in computer memory
  3. 5. Transition of matter from solid to gas phase directly
  4. 8. The resistance one object gets while going over another
  5. 9. A short branched extension of a nerve cell
  6. 10. the order of operations to solve an expression
  7. 11. The branch of classical mechanics that is concerned with the relationship between motion and its causes
Down
  1. 1. Electronic device that can increase the power of a signal
  2. 3. Converts pressure or brightness into an electrical signal or vice versa
  3. 6. Resistance to a particular infection or toxin
  4. 7. Atoms that have gained extra electrons
  5. 8. Remains or impression of a prehistoric organism