1. Photosynthesis and Respiration1

2. 2

3. Objectives
To understand the process of photosynthesis and be able to explain it
To understand the process of cellular respiration and be able to explain it
To be able to apply this scientific knowledge and understanding to a new situation
To work in teams to present this work in both oral and written form 2

4. 3

5. 1.1 4

6. Synthetic leaves are made from silk fibres that contain green chloroplasts
1.1 4

7. 1.2 5

8. 1.2 Synthetic leaves could be used to cover the outsides of buildings.5

9. 1.3 6

10. A bottle garden is an example of a self-supporting life support system.
Image to be replaced
1.3 6

11. Photosynthesis and Respiration
1.4 7

12. Photosynthesis and Respiration
Light Energy
Photosynthesis
(Chloroplast)
Carbon Dioxide
Sugar
Oxygen
Water vapour
Respiration
(Mitochondrion)
Energy released
1.4 7

13. Photosynthesis
1.5 8

14. Photosynthesis
Oxygen
Sunlight
Carbon dioxide
Water
Glucose
1.5 8

15. Photosynthesis Respiration Carbon Dioxide + Water Oxygen + Glucose
Oxygen Glucose Carbon dioxide + Water + Energy
1.6 9

16. Photosynthesis Respiration Carbon Dioxide + Water Oxygen + Glucose
?CO ?H2O ?O C6H12O6
Respiration
Oxygen + Glucose Carbon dioxide + Water + Energy ?O2 + C6H12O6 ?CO2 + ?H2O + Energy
1.6 9

17. Photosynthesis Respiration Carbon Dioxide + Water Oxygen + Glucose
6CO H2O O C6H12O6
Respiration
Oxygen + Glucose Carbon dioxide + Water + Energy 6O2 + C6H12O6 6CO2 + 6H2O + Energy
1.6 9

18. During daytime 10

19. During daytime
Plants photosynthesise at a faster rate than they respire, using carbon dioxide for photosynthesis and releasing the extra oxygen produced.
Oxygen (O2)
Glucose (C6H12O6)
Water
Carbon Dioxide (CO2) 10

20. At night 11

21. At night
Plants respire but do not photosynthesise. Oxygen is taken into the leaf, and waste carbon dioxide is released.
Water
Oxygen (O2)
Carbon Dioxide (CO2) 11

22. Presentation results
Team
Total 12

23. Presentation results
Team
Total
The winning team is: 12