nora's engineering vocabulary crossword puzzle :D

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Across
  1. 3. an early model of a design
  2. 5. limitation
  3. 8. the process for devising structures or systems to meet specific needs
  4. 11. the variable that is changed in a fair test
  5. 13. to suggest and discuss ideas for solving a problem
  6. 14. a person with scientific training who designs structures and systems to address specific needs
Down
  1. 1. the variables that are kept the same in a fair test
  2. 2. the variables that is observed or measured in a fair test; result
  3. 4. a series of flexible steps that move an engineer from problem to solution
  4. 5. standards by which something is judged
  5. 6. an investigation in which one variable is changed and all other variables are kept the same
  6. 7. scientific principles for designing and building structures and systems to address specific needs
  7. 9. with a design that need improvement
  8. 10. something that can be changed, controlled, or measured
  9. 12. the use of scientific knowledge to solve problems