..., swirling to ensure mixing. The water and the 1M MSG solution are tested to observe the effect of the added HCl on pH, and the wetted pH paper segments are arranged at their respective locations on the data collection sheet ( Figure 1A ). It should be immediately evident that, while the pH of the unbuffered...

...David C. Owens; Susanne Rafolt; Erin M. Arneson Although climate change garners the bulk of headlines, ocean acidification is an equally important issue that also results from our increasing consumption of fossil fuels. As atmospheric CO 2 dissolves into the ocean, the ocean’s pH decreases, making...

... with significantly reduced media use; easier, less expensive disposal of waste; and increased safety by switching from glass tubes to nonbreakable plastic. Additionally, these protocols can be utilized as hands-on reinforcement of concepts of pH, metabolism, and digestion. After completing this lab, students...