Page 4 - BA KELAS 8

DAFTAR ISI

LEMBAR PENGESAHAN ........................................................................................................ 2
KATA PENGANTAR ................................................................................................................ 3
DAFTAR ISI.............................................................................................................................. 4
Semester 1 ............................................................................................................................... 6

BAB 1 GERAK BENDA DAN MAKHLUK HIDUP DI LINGKUNGAN SEKITAR ........... 6
Konsep Gerak ....................................................................................................................... 6
Hukum Newton .................................................................................................................... 7
Sistem Gerak Manusia (Rangka) ....................................................................................... 7
Proses osifikasi ..................................................................................................................... 9

Sendi ...................................................................................................................................... 9
Otot ....................................................................................................................................... 10
Kelainan sistem gerak manusia ...................................................................................... 11

Sistem Gerak pada Hewan ............................................................................................... 12
Sistem Gerak pada Tumbuhan ....................................................................................... 12
BAB 2 USAHA DAN PESAWAT SEDERHANA ................................................................. 13
Usaha ................................................................................................................................... 13
Jenis – jenis Pesawat Sederhana .................................................................................... 14

Benda pada bidang miring : ............................................................................................. 15
Prinsip Kerja Pesawat Sederhana pada Sistem Gerak Manusia ............................... 16
BAB 3 STRUKTUR DAN FUNGSI TUMBUHAN ............................................................... 17
Organ Vegetatif Tumbuhan .............................................................................................. 17

Organ Generatif Tumbuhan ............................................................................................. 19
Jaringan Tumbuhan ......................................................................................................... 20
Jaringan pada Akar ........................................................................................................... 23
Jaringan pada Batang ....................................................................................................... 25
Jaringan pada Daun ......................................................................................................... 25

Teknologi Terinspirasi dari Struktur Tumbuhan ......................................................... 26
Alat Pemurnian Air ............................................................................................................ 27
BAB 4 SISTEM PENCERNAAN MANUSIA ....................................................................... 29

Nutrisi .................................................................................................................................. 30
Sistem Pencernaan ............................................................................................................ 33
Organ Pencernaan Utama ................................................................................................ 33
Organ Pencernaan Tambahan (Aksesori) ...................................................................... 37
Gangguan pada Sistem Pencernaan Manusia dan Upaya Menjaga Kesehatan
Sistem Pencernaan ............................................................................................................ 38

Buku Ajar IPA Kelas VIII SMP Negeri 4 Toili @2021 4 of 117