For the second day of our new unit, students began class by answering the following entry task:
In your lab notebook, explain why you can’t hold your breath forever.
A class share-out of the entry task enabled students to reason through the processes of photosynthesis and cellular respiration, learning new vocabulary to apply to the processes. Class notes are shown below:
Next, we discussed the connection between carbon dioxide and pH, and then students observed a demonstration for how to use probeware to measure pH and temperature. Students wrote down the following procedure in their lab notebooks:
After completing the lab, students processed their data and recorded it on the white board for everyone to see. Not everyone had time to record their data, so the class data sets pictured below will be revisited soon: