Cells

1. A waste product of plants
5. A jelly like substances which organelles float within
10. a simple sugar which is an important energy source
11. A support to a cell's membrane
13. An element that plants need to live
14. the process which plants use sunlight to synthesise nutrients
16. strength and vitality required for sustained physical or mental activity
19. a process in living organisms involving the production of energy
20. Basic building block of all living organisms
21. a substance that provides nourishment

2. the lens or group of lenses that is closest to the eye in a microscope
3. A warehouse of the cell
4. The flat plate where the slides are placed for observation on a compound microscope
6. A piece of equipment to zoom in on objects
7. The 'core' of a cell
8. where photosynthesis takes place
9. The outside of a cell
12. light from the sun
15. any of a number of organized or specialized structures within a living cell.
17. A compound made of 2 hydrogen atoms and 1 oxygen atom
18. The power of a cell