Tag: spirometer
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Investigation: What Factors Affect Lung Capacity
In this investigation, students use balloons and rulers to estimate the vital capacity of lungs using test subjects within the class. To perform the test, subjects take a deep breath and blow into a balloon. The diameter is measured and a graph is used to estimate the volume of air expelled based on the diameter…
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Investigation: What Are the Processes of Science
Inquiry investigation where students develop hypotheses to answer a question about lung capacity, design an experiment, collect data, and draw conclusions.