Refill TapWater Tour, Classroom investigation of how and why the characteristics of tap water can vary and affect everyday activities, Background information, test materials included for pH, chlorine, hardness, copper, iron, With Instructor, Student Manuals
Physical Characteristics of Gases kit, 15 Gas Demonstration Hardware, Gas laws (Boyle’s, Charles’s and Gay-Lussc’s) are simple mathematical relationships between volume, temperature and pressure.