My crossword

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