Pengaruh Model Kooperatif Tipe Tgt Berbantuan Multimedia Terhadap Hasil Belajar IPA Siswa Mts

This research was aimed to investigate the influence of Teams Games Tournament (TGT) cooperative model assisted with mutimedia toward students\u27 study achievement on household chemistry material in VIII class of MTs Negeri Siantan. Research form was quasi-experimental research with non-equivalent control group design. Samples of the research were selected by random sampling technique with VIII A as experiment class and VIII C as control class. Data collection tools used study achievement test in essay form. The result of data analysis using U-Mann Whitney test showed the differences of learning outcome between students of students of experimental class and control class that were taught by using Teams Games Tournament (TGT) cooperative model assisted with multimedia and students who learned with conventional model, gave moderate influence toward students\u27 study achievement with the effect size of 0.73 and the percentage of students\u27 study achievement improvement from Teams Games Tournament (TGT) cooperative model assisted with multimedia by the amount of 26.73%

Jenis-Jenis Polychaeta di Pulau Lombok dan Peristiwa Baunyale

Identifikasi jenis-jenis cacing (nyale) yang muncul setiap peristiwa 8aunyale telah dilakukan terhadap cacing-cacing yang tertangkap pad a peristiwa yang terjadi di tahun 1991 dan 1992. Ternyata yang disebut nyale tersebut adalah Polychaeta yang sedang melakukan pemijahan secara masal (swarming). di Pulau lombok peristiwa-peristiwa tersebut hanya terjadi di Pantai Selatan (Pantai Sager). Namun demikian, Polychaeta ditemukanjuga dengan jenis dan kelimpahan yang lebih kecil di Pantai Timur, Barat dan Utara, walaupun tidak terjadi peristiwa swarming. Kepadatan Polychaeta di luar peristiwa 8aunyale di Pantai Selatan adalah 66 ekor/m2, sedangkan di ketiga pantai lainnya hanya berkisar antara 34 - 43 ekor/m2.Kata