Galvanic vs. Electrolytic Cell. This makes more sense now!
Ohms Law via BiOzZ, imgur #Illustration #Ohms_Law
pH of the human body.
Colours of pH Indicators
Chemistry Colours of pH Indicators
chemistry battery | Honors Chemistry Blog
Galvanic vs. Electrolytic Cell.
Use a 9 volt battery to separate water into hydrogen and oxygen. Add a bit of magnesium sulfate (Epson salt) to the water and then drop the battery in.
Voltaic Galvanic Cell Tutorial