Cellular Respiration Lab. Gas Exchange in Cellular Respiration: A Qualitative Observation of Carbon Dioxide Release
Suitable for biology and life science students in grades 9 - 12.
Purpose: To show that living organisms perform respiration, and in doing so, take in oxygen and give off carbon dioxide.
Students will use phenol red, an acid/base indicator, to show that acids are produced as a result of the carbon dioxide released during respiration. Limewater (calcium hydroxide) is used as a definitive test for the presence of carbon dioxide.
Glass Beads, 13 test tubes, Phenol Red Indicator, Boiled yeast solution, Unboiled yeast solution, Dry seeds, Sprouted seeds, Cork or stopper to fit test tubes, Calcium hydroxide, Dilute Hydrochloric acid, Carbonated water, Drinking Straws.
What is included in this product?
• Your download will include a lab that is ready to be copied and passed out to your students. It will include Title, Purpose, Materials List, Safety Precautions, Procedure, Follow Up Questions, Student Data Sheets and Teacher Preparation Notes.
• The teacher guide provides you with all instructions, tips, and suggestions for the successful completion of this lab.
• Answers to all analysis questions.
You will receive both an editable Word document as well as a pdf form of the lab.
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