Across
- 2. Smallest unit of protein
- 3. Smallest unit present in light
- 6. A device that magnifies small objects so that they can be seen and studied
- 11. A type of energy that we use to make heat, light and power to work machines
- 12. Death of a cell
- 13. green pigment in plants which help in photosynthesis
- 14. Full form of DNA
Down
- 1. A very small piece; a bit
- 4. The smallest part of a substance
- 5. An animal or plant that lived thousands of years ago which has turned into a rock
- 7. The smallest unit of life that can live on its own and is the basic building block of all living things
- 8. 0 Kelvin
- 9. The scientific study of the physical and chemical structure of the stars, planets, etc
- 10. Anything that takes up place and can be weighed