1. Using CO2 probes in the classroom-
The SSERC Team

2. Aims Introduce CO2 probes - Cell respiration
- Temperature / respiration
- Sugars / respiration (not being done)
- Photosynthesis / respiration
SSERC support

3. CO2 probes Based on: Delpech, R. (2006):
Making the invisible visible: monitoring levels of gaseous carbon dioxide in the field and classroom
School Science Review, 87 (320),
CO2 probes

4. CO2 probes Based on: Measuring gaseous carbon dioxide
SSERC Bulletin (2012), 238, 5-7.

5. CO2 probes CO2 detection normally: - indirect
- conceptual difficulties
- time delay
CO2 probes:
- direct
- immediate / ‘real time’

6. CO2 probes
Based on:
Redding, K. & Masterman, D. (2007), Biology with Vernier, Vernier Software & Technology, (Beaverton, OR , USA).
ISBN

7. Probe and software from:
CO2 probes
Probe and software from:
Instruments Direct Services

8. CO2 probes

9. Operation Connect probe to Go!Link and then to laptop
Load ‘Logger Lite software’

11. Found in ‘Experiment Menu’

12. Press ‘Collect’

13. Press ‘Stop’

15. Under Options/
Graph Options

16. Linear fit from ’Analyse’ menu

18. Costs
Vernier Go!TM Link (VR105440) . Single-channel interface includes software = £66 [+ VAT]
CO2 gas sensor (VR105512) = £268
[+ VAT]

19. How might we help?
The SSERC suitcase

20. The SSERC suitcase: How might we help? 6 CO2 probes 6 interfaces
Copies of practical sheets