Measuring Respiratory Quotient

This Measuring Respiratory Quotient lesson plan also includes:

How do scientists prove tiny living things respire? Young scientists build a respirometer and measure respiration rates in living creatures. By comparing the measurements of both plants and animals, they understand the similarities.

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CCSS: Adaptable
NGSS: Adaptable
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Instructional Ideas

  • Assign groups of two as larger groups won't be able to observe and manipulate the variables accurately
Classroom Considerations

  • Lesson written for upper level students with an extended lab time to complete the experiment
  • Follow all safety guidelines to prevent injury and illness

  • Provides very clear directions for set up including photos
  • Offers teacher tips throughout

  • None