ALAT PRAKTIKUM RESONANSI GELOMBANG BUNYI BERBASIS ARDUINO UNO UNTUK MENINGKATKAN KETERAMPILAN PROSES SAINS SISWA DI SMA

ORIZA NURWANTI, . (2020) ALAT PRAKTIKUM RESONANSI GELOMBANG BUNYI BERBASIS ARDUINO UNO UNTUK MENINGKATKAN KETERAMPILAN PROSES SAINS SISWA DI SMA. Magister thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Penelitian ini bertujuan mengembangkan alat praktikum resonansi gelombang bunyi berbasis Arduino UNO. Alat praktikum yang dikembangkan dapat digunakan sebagai media pembelajaran untuk meningkatkan keterampilan proses sains siswa SMA. Metode penelitian yang digunakan adalah penelitian pengembangan model ADDIE melaui tahap Analyze, Design, Development, Implementation, Evaluation. Hasil uji coba alat praktikum pada percobaan pertama menggunakan frekuensi 300 Hz didapatkan nilai cepat rambat bunyi sebesar (326,28±0,49%) m/s di resonansi 1 dan (338,12±0,41%) m/s di resonansi 2. Pada frekuensi 400 Hz sebesar (305,76±0,60%) m/s di resonansi 1, (306,45±0,20%) m/s di resonansi 2 dan (323,84±0,28%) m/s di resonansi 3. Pada frekuensi 500 Hz sebesar (258±0,54%) m/s di resonansi 1, (308,93±0,64%) m/s di resonansi 2 dan (325,88±0,31%) m/s di resonansi 3. Pada praktikum kedua di suhu 300C cepat rambat bunyi sebesar (326,28±0,48%) m/s dan pada suhu 400C cepat rambat bunyi sebesar (356,04±0,39%) m/s. Hasil uji kelayakan oleh ahli media yang memperoleh persentase rata-rata 82%, ahli materi 93% dan ahli pembelajaran 89%. Ketiga penilaian tersebut memperoleh interpretasi “sangat baik”. Hasil uji efektivitas pada uji lapangan diperoleh nilai N-Gain sebesar 0,63 yang menunjukkan bahwa alat praktikum dapat meningkatkan keterampilan proses sains siswa dengan kategori sedang. Hasil kuesioner uji lapangan yang diisi oleh siswa mendapat persentase 89,5% dengan interpretasi “sangat baik”. Berdasarkan uji kelayakan dan uji efektivitas dapat disimpulkan alat praktikum resonansi gelombang bunyi dinyatakan layak sebagai media pembelajaran dan dapat meningkatkan keterampilan proses sains siswa. This research aimed to develop a sound resonance practice device based on Arduino UNO. The practice device could be used as learning media to improve high school students’ science process skills. The applied research method was ADDIE development research through the stages of analyze, design, development, implementation and evaluation. The results of testing the practice in the first experiment using frequency of 300 Hz got values speed of sound was (326,28±0,49%) m/s at the first resonance and (338,12±0,41%) m/s at the second resonance. At 400 Hz about (305,76±0,60%) m/s at the first resonance, (306,45±0,20%) m/s at the second resonance and (323,84±0,28%) m/s at the third resonance. At 500 Hz about (258±0,54%) m/s at the first resonance, (308,93±0,64%) m/s at the second resonance and (325,88±0,31%) m/s at third resonance. The second experiment at temperature 300C speed of sound about (326,28±0,48%) m/s and at temperature 400C speed of sound about (356,04±0,39%) m/s. The results of media expert assesment was 82%, from material expert was 93% and from learning expert was 89%. The overall results of the expert assesment got excellent interpretation for this developing practice device. The result of effectiveness test obtained gain score 0,63 with medium interpretation. The result test obtained 89,5% with excellent interpretation. Based on expert assesment and field test concluded that sound resonance practice device based on Arduino UNO was qualified as learning media and enhanced students’ science process skills.

Item Type:	Thesis (Magister)
Additional Information:	1). Dr. Bambang Heru Iswanto, M.Si. ; 2). Dr. Esmar Budi, M.T.
Subjects:	Pendidikan > Media Pembelajaran
Divisions:	FMIPA > S2 Pendidikan Fisika
Depositing User:	Users 968 not found.
Date Deposited:	27 Mar 2020 12:27
Last Modified:	27 Mar 2020 12:27
URI:	http://repository.unj.ac.id/id/eprint/4173

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