Cellular Respiration

Project: Measuring Cellular Respiration Virtual Lab

How can carbon dioxide be measured?

Carbon Dioxide Sensor
Carbon Dioxide Sensor

Teacher Note

Refer to the Cellular Respiration Teacher Guide. A Student Guide version is also available. This project provides a summative assessment.

In this virtual lab, you will use a carbon dioxide sensor to measure the concentration of carbon dioxide produced by a person after they have undergone different levels of exercise. Follow the instructions in the virtual lab. Use the virtual lab below to answer questions that follow.

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Use what you have done in the virtual lab to answer these questions.
  • <div tinymce="true" use-dimensions="false">What precautions were taken to ensure the bag contained only the air exhaled by the person who has exercised?<br></div>
    What precautions were taken to ensure the bag contained only the air exhaled by the person who has exercised?
    Press Space or enter key to Enter Text
  • <div tinymce="true" use-dimensions="false">What steps were followed to ensure a signal is transmitted between the sensor and the computer?<br></div>
    What steps were followed to ensure a signal is transmitted between the sensor and the computer?
    Press Space or enter key to Enter Text
  • <div tinymce="true" use-dimensions="false">Which of the three graphs is an unexpected shape?&nbsp;Explain your choice.<br data-mce-bogus="1"></div>
    Which of the three graphs is an unexpected shape? Explain your choice.
    Press Space or enter key to Enter Text
  • <div tinymce="true" use-dimensions="false">What could have caused the unexpected observation?<br></div>
    What could have caused the unexpected observation?
    Press Space or enter key to Enter Text
  • <div tinymce="true" use-dimensions="false">How could you improve the procedure so that it collected more data and was more accurate?<br></div>
    How could you improve the procedure so that it collected more data and was more accurate?
    Press Space or enter key to Enter Text