Deskripsi Keterampilan Komunikasi Siswa SMA Negeri 9 Pontianak melalui Metode Praktikum pada Materi Ksp

: This research purpose to describe students the oral and written communication skill through experiment in solubility product constant (Ksp) XI IPA in SMA Negeri 9 Pontianak. The research method that used is descriptive with observation sheet and interview guide as instrument. Based on data analysis result showed oral communication skill for all the research has percentace 56,18% got into average category. That skill consist of good category in asking the question; very good category in work on the teart; very bad category in response classmate presentation; and written communication skill for all the research got into good category with 61,06% in percentace include good category in showing research result on table form; average category in make discussion; less category in make conclusion and very good category in make suggestion