Year 10: Respiration and Photosynthesis

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Across
  1. 4. Substance lost during transpiration
  2. 7. carbonate Indicator used to show carbon dioxide levels
  3. 9. mesophyll Leaf layer with many chloroplasts
  4. 10. Organelle where photosynthesis occurs
  5. 13. energy Type of energy stored in glucose
  6. 14. Colour of indicator when carbon dioxide is low
  7. 16. Movement from high to low concentration
  8. 17. cells Cells that control opening and closing of stomata
  9. 19. Tiny pores in the leaf that allow gas exchange
  10. 20. Sugar made in photosynthesis and stored as starch
Down
  1. 1. Colour of indicator when carbon dioxide is high
  2. 2. Process plants use to make glucose using light energy
  3. 3. Main central vein of a leaf
  4. 5. Gas released during photosynthesis
  5. 6. Loss of water vapour from leaves
  6. 8. epidermis Transparent top layer of a leaf
  7. 11. Process that releases energy from glucose in cells
  8. 12. dioxide Gas taken in by plants for photosynthesis
  9. 15. mesophyll Leaf layer with air spaces for diffusion
  10. 18. pore Opening through which gases diffuse