My crossword

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Across
  1. 1. construction and investigation of models
  2. 4. plan an activity that covers a long period of time
  3. 5. specialist with higher technical education
  4. 7. construction load-bearing structure
  5. 8. queen of the sciences
  6. 9. The science of living nature, the laws of organic life.
Down
  1. 2. synonime of word outside
  2. 3. assumption,theory
  3. 5. the development process
  4. 6. the set of rules of conduct