Page 5 - 7 BAHAN AJAR KUMER KELAS 7 2022
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Pola Interaksi Manusia Mempengaruhi Ekosistem ................................................... 43
BAB 3 PENCEMARAN LINGKUNGAN .................................................................... 44
Definisi Pencemaran ............................................................................................... 44
Pencemaran Air ...................................................................................................... 44
Pencemaran Udara ................................................................................................. 48
Pencemaran Tanah ................................................................................................. 49
BAB 4 PEMANASAN GLOBAL ............................................................................... 51
Efek Rumah Kaca ................................................................................................... 51
Pengertian Pemanasan Global ................................................................................. 51
Penyebab Pemanasan Global................................................................................... 52
Dampak Pemanasan Global .................................................................................... 52
Upaya Menanggulangi Pemanasan Global................................................................ 53
Bumi ...................................................................................................................... 53
Atmosfer ................................................................................................................ 54
Lapisan Atmosfer .................................................................................................... 55
Tekanan Udara di Atmosfer ..................................................................................... 57
Suhu di Atmosfer ................................................................................................... 58
Lapisan Ozon ......................................................................................................... 59
Litosfer ................................................................................................................... 60
Teori Tektonik Lempeng .......................................................................................... 60
Hidrosfer ................................................................................................................ 64
Gempa Bumi .......................................................................................................... 64
Gunung Berapi ....................................................................................................... 69
Banjir..................................................................................................................... 74
BAB 6 TATA SURYA ............................................................................................ 76
Sistem Tata Surya .................................................................................................. 76
Kondisi Bumi ......................................................................................................... 79
Kondisi Bulan ........................................................................................................ 79
Gerhana ................................................................................................................. 81
Buku Ajar IPA Kelas VII SMP Negeri 4 Toili | 5
