Elouise's Crossword Puzzle

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