1. Energy Transformations
Gr. 11 Life Sciences Term 2
2018/06/18
Energy Transformations
PHOTOSYNTHESIS
Heinemann – p190
Biozone – p98
Homework: Heinemann p202 & 203

2. Objectives for this lesson:
1) Describe the biochemical process of photosynthesis. 2) Manipulate theoretical knowledge to plan experiments related to photosynthesis.

9. CHEMICAL EQUATION p97 (Biozone):

10. CHEMICAL REACTION p192 (Heinemann):

12. ORGANELLE p98 (Biozone):

15. PRACTICALS / EXPERIMENTS:
1) Starch test (basis of all other photosynthesis experiments).

16. PRACTICALS / EXPERIMENTS:
2) Proving that chlorophyll is required for photosynthesis.

17. PRACTICALS / EXPERIMENTS:
3) Proving that sunlight is required for photosynthesis

18. PRACTICALS / EXPERIMENTS:
4) Proving that CO2 is a requirement for photosynthesis

20. PRACTICALS / EXPERIMENTS:
5) Proving that O2 is produced by photosynthesis

21. PRACTICALS / EXPERIMENTS:
6) Determining the rate of photosynthesis

23. PRACTICALS / EXPERIMENTS:
7) Optimum elements for photosynthesis / limiting factors p101 Biozone, p193 Heinemann

26. Rate of Photosynthesis (au)
Amount of light (au)
Amount of CO2 (au)
Temperature (oC)

27. PRACTICALS / EXPERIMENTS: 8) Effects of different light colours