Cellular Respiration: Measuring Differences in Muscular Activity

Cellular Respiration:  Measuring Differences in Muscular Activity
Cellular Respiration:  Measuring Differences in Muscular Activity
Cellular Respiration:  Measuring Differences in Muscular Activity
Cellular Respiration:  Measuring Differences in Muscular Activity
Cellular Respiration:  Measuring Differences in Muscular Activity
Cellular Respiration:  Measuring Differences in Muscular Activity
Cellular Respiration:  Measuring Differences in Muscular Activity
Cellular Respiration:  Measuring Differences in Muscular Activity
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Cellular Respiration: Measuring Differences in Muscular Activity

Suitable for biology or life science students in grades 9 - 12.

Question: During respiration, oxygen is required and carbon dioxide is given off as a waste product. Would an increase in muscular activity, such as running, create an increased energy demand on the muscles? If this occurs, would there be a corresponding increase in the amount of carbon dioxide production?

This is the question that students will be investigating in this lab activity.

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Please Note: This product is included in my "Cellular Respiration Complete Unit Plan Bundle" and can be viewed by clicking this link.

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Purpose of the Lab:
1. To describe how carbon dioxide alters the color of bromothymol blue.
2. To learn how to use a titration technique to measure the amount of carbon dioxide added to bromothymol blue.
3. To compare the amounts of carbon dioxide produced by muscle tissue during different activities.

Materials Needed: 50 mL Beaker, Barnes Dropping Bottle, Bromothymol Blue Solution , Drinking Straws, 0.4 % Sodium Hydroxide Solution, Graph Paper, Stopwatch


Your 6 page download will include a lab that is ready to be photocopied and passed out to your students. It will include: Title, Introduction, Purpose, Materials, Safety Precautions, Procedure, Observation Questions, and Data Tables. You can chose to have your students write their own lab reports or you can have them use the included Student Data Sheets on which they can record their data and answer the questions.

I have also included a Teacher Preparation Page. This will include pre-lab discussion, answers to all questions, and post lab follow up ideas.

You will receive both an editable Word document as well as a pdf form of the lab.

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Amy Brown (Science Stuff)
Total Pages
6 pages
Answer Key
Included
Teaching Duration
55 minutes
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