Engineering Crossword

2. scientific principles for designing and building structures and systems to address specific needs
3. the use of scientific knowledge to solve problem
7. standard by which something is judged
9. problems with a design that need improvement
10. an investigation in which one variable (independent variable) is changed and all other variables (controlled variables) are kept the same
11. the variable that is changed in a fair test
12. the variable that is observed or measured in a fair test;result
15. a series of flexible steps that move an engineer from problem to solution

1. the variables that are kept the same in a fair test
4. limitation
5. to suggest and discuss ideas for solving a problem
6. an early model of a design
8. something that can be changed, controlled, or measured, (in science)
13. a person with scientific training who designs structures and systems that address specific needs
14. the process for devising structures or systems to meet specific needs