Pengembangan Instrumen Tes pada Materi Kesetimbangan Kimia Kelas XI Berbasis Android

The development of technology, especially in Information and Communication Technology, is now made easier by the existence of software that can assist in carrying out online assessment activities. Assessment can be carried out by developing an Android-based instrument using learning applications, one of the web learning applications is Wordwall. This research aims to develop an Android-based test instrument for student assessment. The research was conducted at MA Al Ahrom Karangsari Demak. The sample population used was class XI-IPA 2 as many as 25 students with small-scale and large-scale testing. This research is development research (R & D). In development research, the Android-based test instrument in small-scale trials has been validated by expert validators with results of 80.53% or suitable for use. The program trial was carried out by class XI-IPA 2 students at MA Al Ahrom Karangsari Demak with results of 77.45% or suitable for use. Large-scale trials have been validated by expert validators with results of 85.63% or are suitable for use. The program trial was carried out by students at MA Al Ahrom Karangsari Demak with results of 81.82% or suitable for use.