Across
- 6. The scientific study of ecosystems and their environment (9 letters)
- 8. The study of Earth's physical structure and substance (7 letters)
- 10. The art and technique of designing and building structures (12 letters)
- 13. The science of computers and computational systems (11 letters)
- 14. The science of numbers, quantities, and shapes (11 letters)
- 15. The study of living organisms (7 letters)
Down
- 1. The application of scientific knowledge for practical purposes (10 letters)
- 2. The study of drugs and their effects on the human body (10 letters)
- 3. The Branch of science that deals with celestial objects, space, and the universe (9 letters)
- 4. The study of matter and energy and the interactions between them (8 letters)
- 5. The science of flight and the design of aircraft (11 letters)
- 7. The discipline concerned with the design, building, and use of machines (11 letters)
- 9. The branch of biology that deals with heredity and the variation of organisms (7 letters)
- 11. The branch of science dealing with chemical compounds and their reactions (8 letters)
- 12. The scientific study of behavior and mental processes (10 letters)
