Plants

3. Green pigment in plants used in photosynthesis
6. Movement of water in plants as it is taken up through the roots and released from the leaves as water vapour
8. Lack of something, such as nutrients
10. Process carried out by green plants to make their own food
12. Gas in the air that is produced by plants
13. Waste organic material
14. Single-cell thick transparent layer in the upper surface of a leaf
16. Plant cells that join to form a 'pipeline' through the stem of a plant
17. Leaf cells either side of each stoma that control the opening and closing of the stoma

1. Large carbohydrate molecule
2. Specialised cell in roots of plants; the cell has long, hair-like extensions
3. Gas used by plants to make food
4. A very small hole
5. Waxy, waterproof, protective outer layer of a leaf
7. Tiny pore on the underneath surface of a leaf through which gases can move in and out
9. Orange-coloured liquid used to test for starch
10. Plant leaf cell that is long and narrow and packed with chloroplasts
11. What we call more than one stoma
15. Chemical put on soil to increase soil fertility and allow better growth of crop plants
17. Small sugar molecule