Shell Stream

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Across
  1. 5. not a science but an...
  2. 6. teachers facilitate this
  3. 7. it's measurable and repeatable
  4. 9. the branch of knowledge dealing with engineering or applied sciences
Down
  1. 1. to build
  2. 2. the abstract science of number, quantity, and space, either as abstract concepts
  3. 3. he action of working artfully to bring something about.
  4. 4. an occupation undertaken for a significant period of a person's life
  5. 7. Exoskeleton to protect
  6. 8. a small, narrow river