Across
- 3. systematic knowledge of the physical or material world gained through observation and experimentation.
- 6. the introduction of harmful substances or products into the environment:
- 7. science technology engineering math
- 8. a person trained and skilled in the design, construction, and use of engines or machines, or in any of variousbranches of engineering:
- 10. tending or intended to educate, instruct, or inform
Down
- 1. a roof covered with vegetation, designed for its aesthetic value and to optimize energy conservation
- 2. the branch of knowledge that deals with the creation and use of technical means and their interrelation with life, society, and the environment, drawing upon such subjects as industrial arts, engineering, applied science, and pure science.
- 4. mathematics.
- 5. something that pollutes
- 9. something that drains or flows off, as rain that flows off from the land in streams.