Analyzing pH: Comparing Citrus Fruits, Stain Removers and a Green Product
This lab is intended for sixth grade students or higher. It can be used with a large class divided into small lab groups of 2 to 4 students. It would be best done in a classroom where water is available. This lesson could easily be divided into two to three days of activities. This activity can be done at tables. Students should have some knowledge of the periodic table and that elements combine to make matter.