Across
- 3. An instrument used to magnify tiny objects
- 5. An appliance used to heat food quickly
- 6. Surgery performed on very small body structures
- 7. A device that makes your voice louder
- 8. A nutrient needed in large amounts
- 11. A very large scale of observation
- 12. The main processing chip inside a computer or electronic device
- 13. The study of living things on a large scale
- 14. The study of the economy as a whole
- 15. Too small to be seen without a microscope
- 16. A tiny living organism
Down
- 1. A nutrient needed in very small amounts
- 2. Someone who controls every small detail
- 4. The climate in a small local area
- 9. The study of microscopic living organisms
- 10. Large enough to be seen without magnification
- 12. The study of individuals and businesses making economic decisions
- 14. One millionth of a metre