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FlinnPREP™ Inquiry Labs for AP® Biology: Cellular Respiration

By: The Flinn Staff

In the Cellular Respiration Inquiry Lab Solution for AP® Biology, students form and test a hypothesis based on the observations of oxygen consumed by germinating mung bean seeds and control seeds.

Includes access to exclusive FlinnPREP™ digital content to combine the benefits of classroom, laboratory and digital learning. Each blended learning lab solution includes prelab videos about concepts, techniques and procedures, summary videos that relate the experiment to the AP® exam, and standards-based, tested inquiry labs with real sample data. FlinnPREP™ Inquiry Lab Solutions are adaptable to you and how you teach with multiple ways to access and run your AP® labs.

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Big Idea 2, Investigation 6, Science Practices 1, 2, 3, 6, 7

Plants create oxygen as a waste product of photosynthesis, but do they require oxygen to live? Does respiration occur in germinating seeds?

The Inquiry Lab Kit begins with a Baseline Activity that instructs students to measure the amount of oxygen consumed by germinating mung bean seeds and control seeds. By recording and measuring any changes, students are able to calculate the respiration rate of those seedlings under specific conditions.

These observations and data provide the basis for the Opportunities for Inquiry section of the lab. Questions like, “Does the amount of time from the start of germination affect the respiration rate?” and “What environmental factors may affect respiration rate?” help guide and inspire students to develop a testable hypothesis and then design an experiment that they can plan, discuss, evaluate, execute and finally justify to their peers.

Includes detailed teacher notes, reproducible student handouts, two additional types of seeds and enough materials for eight groups of students to complete the Baseline Activity and prepare for the inquiry activity. A hot glue gun is required and available separately. A refill kit for the Cellular Respiration Inquiry Lab Kit is also available (FB2088).

FLINNprep is just one of the powerful learning pathways accessed via PAVO, Flinn’s award-winning gateway to standards-aligned digital science content paired with hands-on learning.