Across
- 6. – A device used to view distant objects, especially in astronomy.
- 8. – A semiconductor device used in amplifying or switching electronic signals.
- 11. – The field of designing and operating aircraft.
- 12. – Pertaining to energy produced by splitting atomic nuclei or using nuclear reactions.
- 14. – A class of drugs used to treat bacterial infections.
- 15. – A device that converts electrical energy into mechanical motion.
- 16. – An instrument used to magnify small objects or organisms.
- 18. – The molecule that contains the genetic instructions for life.
- 19. – A powered vehicle designed for the transportation of people and goods.
- 20. – A system of satellites used to determine exact locations on Earth.
Down
- 1. – An instrument used to measure atmospheric pressure, often for weather forecasting.
- 2. – A type of aircraft with vertical lift, powered by rotating blades.
- 3. – A device used for cooling and storing food.
- 4. – A key invention in the Industrial Revolution that uses steam to power machinery.
- 5. – An instrument used for navigation, showing directions.
- 7. - The first antibiotic discovered by Alexander Fleming.
- 9. – A machine capable of carrying out complex tasks automatically.
- 10. – A form of electromagnetic radiation used for medical imaging.
- 13. – A machine invented by Eli Whitney to separate cotton fibers from seeds.
- 17. – A branch of mathematics that deals with rates of change and the accumulation of quantities.