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