Chemistry and plants

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253
Across
  1. 2. neutral particles in an atom found in the nucleus
  2. 5. two or more atoms joined together
  3. 11. 2 or more molecules or compounds
  4. 13. effect Gases like water vapor and carbon dioxide trap heat and keep the earth warm.
  5. 14. of reaction​how fast a reaction happens
  6. 16. Green chemical in chloroplasts inside cells in the leaves used for photosynthesis
  7. 17. plant material used for building cells
  8. 19. table​​ an arrangement of all known elements in order of their size and structure
  9. 20. a group of flowering plants eg grasses that have 1 seed leaf
  10. 22. Living things with roots, stems and leaves that produce their own food
  11. 23. atom containing an equal number of protons and electrons is electrically neutral.
  12. 25. of mass​ mass is always the same at the start and end of a reaction
  13. 26. when a chemical breaks apart into 2 or more chemicals in a reaction
  14. 27. how plants are put into groups with similar structures
  15. 30. when chemicals swap partners in a reaction
  16. 33. contains all the recipes and instructions for making new plant chemicals
  17. 35. space for storing glucose, water and other nutrients
  18. 36. number of protons plus neutrons in an atom
  19. 37. contains lots of small factories to process food, wastes and new chemical for growth
  20. 39. + CO2 + H2O → Food ( glucose) + O2
  21. 41. wall rigid wall that supports the cell
  22. 42. positive particles in an atom found in the nucleus
  23. 43. the process of gaining knowledge by observation and experiment
  24. 45. a group of flowering plants eg trees & shrubs that have 2 seed leaves.
  25. 47. Tubes that carry plant food
  26. 48. contains the egg
  27. 49. hairs Microscopic tubes that collect water and nutrients from the soil
  28. 50. Tubes that carry water up a plant
  29. 52. Contains half the information for a new plant
  30. 53. cells Cells that cause the stomata to open & close
Down
  1. 1. dispersal how the seeds are designed to be moved away from the parent tree.
  2. 3. the chemicals used at the start of the reaction
  3. 4. smaller negative particles orbiting the nucleus
  4. 6. Male part of a flower
  5. 7. change​ new chemical formed, not easily reversed
  6. 8. A way of storing nutrients for the seeds.
  7. 9. bundles of tubes that are joined from roots to the leaves.
  8. 10. Contains half the information for a new plant
  9. 12. the solid produced when 2 liquids react
  10. 14. How all living things turn food & O2 into energy. Happens 24/7
  11. 15. How water moves through a plant
  12. 18. when 2 smaller chemicals join in a reaction
  13. 21. equation​​ shows what chemical are at the start and at the end of a reaction
  14. 22. the chemicals made by the equation
  15. 24. Process that plants use to make their own food & oxygen
  16. 27. the study of matter and how it behaves
  17. 28. a factory that contains chlorophyll to carry out photosynthesis
  18. 29. pure substances containing only one type of atom
  19. 30. new chemicals are made
  20. 31. change in appearance, easily reversible
  21. 32. a reaction with oxygen ( burning )
  22. 34. Large molecule made with lots of sugar molecules joining together
  23. 37. 2 or more different atoms joined together
  24. 38. number of protons in an atom
  25. 40. food made by plants ( type of sugar)
  26. 43. Small hole under the leaf to allow gas exchange
  27. 44. cycle How carbon atoms are used and recycled
  28. 46. Female part of the flower
  29. 47. Colored parts of the flower to attract insects
  30. 51. + O2 → CO2 + H2O + energy