Introduce your students to acids and bases using this pH lab! Students will use the scientific method to test the pH level of various household liquids using pH strips (litmus strips). Also included is a pH scale poster, teaching tips, and a materials list. There are 3 different versions of this lab included!Option #1: Students will test the following household liquids: water, milk, laundry detergent, shampoo, dish soap, juice, milk, and vinegar. Option #2: This version of the lab contains all o