Across
- 2. In a plant cell, the part that contains the chlorophyll
- 4. A substance with very long molecules, which has identical groups of atoms repeated many times
- 6. The product of photosynthesis that plants use for food
- 9. A natural polymer from plants used to make t-shirts
- 10. A reactant of photosynthesis, plants take this up through their roots
- 11. Chemical with chemical symbol of Na
- 13. Surrounds the little pores on the underside of the leaf, closing and opening them
- 16. A group of 2 or more atoms strongly joined together
- 18. The gas that is needed for photosynthesis to take place
- 19. The smallest part of an element
Down
- 1. A natural polymer found on animals like sheep
- 3. Chemical with formula LiCl
- 4. A chemical reaction where green plants make food
- 5. 2 or more substances chemically bonded together
- 7. Chemical with chemical symbol of Hg
- 8. Absorbed by chlorophyll, gives the plant the energy it needs for photosynthesis
- 12. Chemical with chemical symbol of Mg
- 14. The little pores on the underside of the leaf, allows gases to diffuse in and out of the cell
- 15. The polymer that plants store their food as
- 17. A substance that cannot be split into different substances
