Ben BIlly Bob

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