How does soap change water? @CampbellAPS #APSElemSummerSchool By @CampbellAPS | July 16, 2018 How does soap change water? @CampbellAPS #APSElemSummerSchool https://t.co/5RsvmRfAvi Posted in Daily News and tagged @CampbellAPS ← Our 5th graders raved about the aquarium so I checked it out #seaturtle 5 online tools that encourage students to get hands-on experience with nature. →