Across
- 3. relating to chemistry or the interactions of substances as studied in chemistry
- 4. research, design, develop, and test blank systems
- 5. produced by machines or machinery
- 7. the branch of technology and industry concerned with both aviation and space flight.
- 8. relating to both biology and medicine
- 9. relating to or characterized by industry.
Down
- 1. operating by or producing electricity.
- 2. relating to the natural world and the impact of human activity
- 6. courteous and polite