Y8 Science Crossword - Elements and Photosynthesis topics

12345678910111213141516171819
Across
  1. 2. In a plant cell, the part that contains the chlorophyll
  2. 4. A substance with very long molecules, which has identical groups of atoms repeated many times
  3. 6. The product of photosynthesis that plants use for food
  4. 9. A natural polymer from plants used to make t-shirts
  5. 10. A reactant of photosynthesis, plants take this up through their roots
  6. 11. Chemical with chemical symbol of Na
  7. 13. Surrounds the little pores on the underside of the leaf, closing and opening them
  8. 16. A group of 2 or more atoms strongly joined together
  9. 18. The gas that is needed for photosynthesis to take place
  10. 19. The smallest part of an element
Down
  1. 1. A natural polymer found on animals like sheep
  2. 3. Chemical with formula LiCl
  3. 4. A chemical reaction where green plants make food
  4. 5. 2 or more substances chemically bonded together
  5. 7. Chemical with chemical symbol of Hg
  6. 8. Absorbed by chlorophyll, gives the plant the energy it needs for photosynthesis
  7. 12. Chemical with chemical symbol of Mg
  8. 14. The little pores on the underside of the leaf, allows gases to diffuse in and out of the cell
  9. 15. The polymer that plants store their food as
  10. 17. A substance that cannot be split into different substances