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Journal : SAINSMAT

Pengembangan Pembelajaran Berdiferensiasi Berbantuan Virtual Reality pada Pembelajaran Biologi Bahri, Arsad; Jamaluddin, Asham Bin; M, Wahyu Hidayat; Ali, Sutrisno Nurhadi; Hasja, Aulia Diar; Ainun, Nur Aisyah
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol 13, No 1 (2024): Maret
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/sainsmat131540402024

Abstract

Penelitian ini adalah penelitian pengembangan (Research & Development) yang bertujuan untuk mengetahui tingkat kevalidan, kepraktisan dan keefektifan Perangkat Pembelajaran Berbasis Diferensiasi berbantuan media Virtual Reality. Proses pengembangan Pembelajaran berbasis diferensiasi mengacu pada model pengembangan model 4-D oleh Thiagarajan. Penelitian ini dilaksanakan di SMAN 21 Makassar dengan subjek penelitian yaitu peserta didik kelas XI IPA 2 sebanyak 32 orang dan guru mata pelajaran Biologi sebanyak 2 orang. Instrumen penelitian yang digunakan berupa lembar validasi perangkat pembelajaran, angket respon guru dan angket respon peserta didik, lembar observasi keterlaksanaan serta instrumen tes berupa soal-soal pilihan ganda. Data tingkat kevalidan dan kepraktisan dikumpulkan dengan menggunakan angket serta data tingkat keefektifan dengan tes hasil belajar. Teknik pengumpulan data terdiri atas teknik non tes dan tes. Hasil penelitian menunjukkan perangkat pembelajaran yang meliputi modul ajar, Lembar Kerja Peserta Didik, Media, dan Tes Hasil Belajar yang bersifat valid, praktis, dan efektif dalam meningkatkan keterampilan hasil belajar peserta didik. Perangkat pembelajaran berada pada kategori terlaksana seluruhnya, respon guru dan peserta didik masing- masing berkategori sangat praktis dan praktis. Perangkat pembelajaran berkategori efektif dengan ketuntasan tes hasil belajar masing-masing sebesar 82,4%.
The Ability Of Green Open Space In Reducing Green House Gas (GHG) Emissions On Jalan Hertasning, Makassar City Arfandi, Arfandi; Yusuf, Muhammad; Nasrul, Nasrul; Amda, Misdar; Hasja, Aulia Diar; Maru, Rosmini
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol 13, No 2 (2024): September
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/sainsmat132620842024

Abstract

Green Open Spaces (RTH) are urban areas filled with vegetation that support ecological benefits, such as reducing greenhouse gases by absorbing CO₂ through photosynthesis. Although RTH accounts for 66 percent of the area along Jalan Hertasning, its effectiveness in absorbing CO₂ emissions from motor vehicles is not fully understood. Given the high volume of vehicles, especially during peak traffic hours, a deeper understanding of the RTH's capability to reduce CO₂ emissions is necessary. This study aims to measure CO₂ emissions from transportation, assess the RTH's ability to absorb CO₂, and develop effective RTH enhancement strategies. The research location is Jalan Hertasning in Makassar City. The method used in this study is descriptive with a quantitative approach. Results show that CO₂ emissions during peak hours cannot be fully absorbed by the existing 508 Trembles trees, which have a total absorption capacity of 1,652.07 kg/hour and cover an area of 4.4 hectares, or 75.9 percent of Jalan Hertasning. There remains 3,168.59 kg/hour of CO₂ emissions from the total 4,820.66 kg/hour during peak traffic. In addition to Trembles trees, there are other trees like Palm and Terminalia mantaly, which are still growing and not included in this study but could increase the RTH's absorption capacity in the future. The high CO₂ emissions from motor vehicles significantly impact air quality and public health. It is recommended that the government actively conduct environmental awareness campaigns focused on reducing CO₂ emissions and the importance of RTH. These campaigns can be carried out through social media, posters along Jalan Hertasning, and community outreach to reduce CO₂ levels by increasing public participation in maintaining RTH.