Solve the puzzle

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Across
  1. 3. Mechanics The study of moving liquids that never sit still
  2. 4. You can’t see it, but it’s pushing against you all the time
  3. 6. A bubbling column where gases and liquids mix
  4. 7. A gas that plants love but factories release too much of
  5. 8. A device that keeps things hot but never burns itself
  6. 9. The art of squeezing the most out of every reaction
  7. 10. A workplace where molecules go to change careers
Down
  1. 1. It makes reactions faster but never takes the credit
  2. 2. It’s not a magic trick, but it makes liquids disappear into gas
  3. 5. A tower that keeps the right molecules while letting others go.