Testing the pH of Your Local Water Source
To further demonstrate the importance of acids and bases in everyday life and in the environment have students test the pH of a local water source-a pond, a river or out of their kitchen sink. Click below for a detailed lesson plan courtesy of Spongelab.
ph_of_the_planet-spongelab.pdf | |
File Size: | 743 kb |
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Making a pH Meter out of Red Cabbage
To introduce the concept of pH testing and pH meters in a fun way, consider having students make their own pH indicators out of red cabbage-yet another use for vegetables! Below is a video, courtesy of YouTube, explaining the steps and materials required to make a red cabbage pH indicator.