
rotasi bumi
Presentation
•
Science
•
6th Grade
•
Hard
NOVY MJ
FREE Resource
7 Slides • 0 Questions
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Rotasi Bumi
oleh : Novy. MJ, S.Pd
SDN Sungai Tabuk Keramat 1
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Rotasi Bumi
Rotasi bumi adalah perputaran bumi pada porosnya
Bumi berputar ke arah timur
Bumi berotasi pada porosnya selama 23 jam 56 menit atau dibulatkan menjadi 24 jam
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Akibat Rotasi Bumi
1.Terjadinya siang dan malam
Bagian bumi yang terkena paparan sinar matahari akan mengalami siang, sedangkan bagian bumi yang membelakangi matahari akan mengalami malam
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2.Gerak semu harian matahari
Perputaran bumi dari barat ke timur mengakibatkan seolah-olah matahari terbit di timur dan terbenam di barat
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3.Perbedaan waktu di permukaan bumi
Pusat waktu terletak di Kota Greenwich, Inggris (00). Setiap 150 akan mengalami perbedaan waktu 1 jam
Contoh: Indonesia terbagi atas tiga zona waktu yaitu WIB (Waktu Indonesia Barat), WITA (Waktu Indonesia Tengah) dan WIT (Waktu Indonesia Timur)
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4.Perubahan arah angin
Angin bergerak menuju area dengan tekanan minimal.
Contohnya terjadinya angin darat dan angin laut
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5.Pembelokan arus laut
Pembelokan arus laut disebakan oleh angin
Rotasi Bumi
oleh : Novy. MJ, S.Pd
SDN Sungai Tabuk Keramat 1
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