Pengembangan Modul Asam Dan Basa Berbasis Konstruktivisme Di Kelas XI SMA

The study aims to develop Acid and Bases Module Based on Constructivism on Senior High School at Class XI that are valid and practical. This development reasearch uses a 4-D model that has 4 stages, namely, Define, Design, Develop and Disseminate,but research have done to development stage only. To produce a valid module, the module validity test is carried out which includes four aspects of as…