Browsing by Author "Siagian, Regina"

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    Pengembangan Bahan Ajar Keterampilan Proses Sains Dengan Materi Pokok Momentum Dan Impuls Pada Kelas XI SMA
    (2013-06-10) Siagian, Regina
    The aims of this study is to develop Instructional Materials Science Process Skills with the topic Momentum and Impulse in Class XI Senior High School, to support learning activity in schools in terms of material aspects, presentation and language. This research applied Approach Research and Development which is done through a limited testing phase, by providing assessment of teaching materials to the validators and respond questionare to the students as the research instrument after the students accomplished their learning. The results indicated that the validity of each aspect of teaching materials of science process skills with the subject matter are momentum and impulse in class XI Senior High School is in good category, where the aspects of the material’s mean is 3.17, the mean for the presentation aspect is 3.25 and the mean of language is 3.37. Moreover, the students gave good respond to the teaching materials provided. This respond proved by the results of the students’ mean, 3.55. Based on these results, the teaching materials which is developed in this study is fit for use to support learning activities at class.