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Amanda Hrezo- Valencia High School
Sensor / Probe
Sensor / Probe
With this sensor, you can easily monitor changes in CO2 levels occurring in respiration of organisms ranging from peas to humans. A 250 mL respiration chamber with probe attachment is included for running controlled experiments with small plants and animals.
On the high range, you can explore human respiratory changes in CO2 levels based on exercise.
The lower range offers more sensitivity for cellular respiration and photosynthetic metabolism studies.
Sample Investigation
Sample Investigation
The lab investigates how cellular respiration and photosynthesis are related and can change.
Independent variable: Light, CO2, or Temperature
Dependent variables: Levels of O2 and/or CO2
Controls: Temperature, Volume, Light(If not independent variable), time
Example Photosynthesis and Cellular Respiration Lab
Sample Data & Analysis and Interpretation
Sample Data & Analysis and Interpretation
Testing different light intensities
Testing different light intensities
High Light
Low Light
Black Light
Vernier Software
Photos
Photos
Example of Data Data from Plant In Light Setting
Laboratory Setup Data from Plant in Dark Setting
*** I could not get the software to load on the computer due to needing the tech on campus to load the information onto the computer. The tech has not been able to get to my computer to load the software so I took pictures of the screen.****
*** I could not get the software to load on the computer due to needing the tech on campus to load the information onto the computer. The tech has not been able to get to my computer to load the software so I took pictures of the screen.****
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