Materi : IPA I ( Perubahan Lingkungan Fisik dan SDA dan
Teknologi Pengolahannya )
Isilah !
1. Berikan contoh kegiatan manusia yang dapat menyebabkan
perubahan lingkungan fisik !
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2. Mengapa batuan yang terkena panas matahari kemudian
terkena hujan dapat retak ?
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3. Apakah penyebab rusaknya permukaan tanah pada
pertambangan ?
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4. Apakah yang menyebabkan terjadinya tanah gundul ?
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5. Apakah reboisasi ?
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6. Bagaimana cara mencegah abrasi ?
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7. Apakah tujuan pemasangan tetrapad ?
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8. Bagaimana cara mencegah banjir ?
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9. Apakah hujan asam itu ?
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10. Apakah manfaat reboisasi lainnya ?
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11. Apakah yang dimaksud sumber daya alam ?
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12. Sebutkan contoh sumber daya alam hayati !
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13. Apakah maksudnya sumber daya alam dapat
diperbaharui ? .................................................................
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14. Apakah eksplorasi itu ?
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15. Apakah eksploitasi itu ?
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16. Berasal dari manakah minyak bumi dan batu bara ?
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17. Apakah yang diperoleh manusia dari kegiatan beternak ?
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18. Sebutkan contoh bahan baku yang dapat diubah menjadi
barang jadi !
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19. Buatlah bagan pengolahan padi sampai menjadi nasi !
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20. Dimanakah tempat perikanan air payau dan ikan apa yang
dibudidayakan di sana ?
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