Buku Sains Ilmu Pengetahuan Alam SD/MI Kelas 3 SD

Materi Sains Ilmu Pengetahuan Alam SD/MI

KATA SAMBUTAN .......................................................................................................... iii
KATA PENGANTAR ........................................................................................................ i v
DAFTAR ISI .................................................................................................................... v
SEMESTER 1

BAB 1 MAKHLUK HIDUP ......................................................................................... 3
A. Ciri-ciri dan Kebutuhan Makhluk Hidup ..................................................... 5
B. Penggolongan Makhluk Hidup.................................................................. 10
Wacana Salingtemas..............................................................................21
Ingat Kembali .........................................................................................22
Ayo Kerjakan...........................................................................................23

BAB 2 PERUBAHAN PADA MAKHLUK HIDUP ....................................................... 27
A. Perubahan pada Makhluk Hidup............................................................... 29
B. Faktor-faktor yang Memengaruhi Pertumbuhan dan Perkembangan ....... 33
Wacana Salingtemas..............................................................................38
Ingat Kembali .........................................................................................39
Ayo Kerjakan...........................................................................................40

BAB 3 LINGKUNGAN................................................................................................ 43
A. Lingkungan Sehat.................................................................................... 45
B. Lingkungan Tidak Sehat........................................................................... 46
C. Pengaruh Lingkungan Terhadap Kesehatan ............................................ 49
D. Cara Memelihara Kesehatan Lingkungan ................................................ 49
Wacana Salingtemas..............................................................................51
Ingat Kembali .........................................................................................52
Ayo Kerjakan...........................................................................................53

BAB 4 BENDA DAN SIFATNYA ................................................................................. 55
A. Sifat-sifat Benda ....................................................................................... 58
B. Kegunaan Benda ..................................................................................... 63
Wacana Salingtemas..............................................................................68
Ingat Kembali .........................................................................................69
Ayo Kerjakan...........................................................................................70

BAB 5 PERUBAHAN SIFAT BENDA ......................................................................... 73
A. Perubahan Sifat Benda karena Dipanaskan ............................................ 75
B. Perubahan Sifat Benda karena Diletakkan di TempatTerbuka .................. 75
C. Perubahan Sifat Benda karena Dibakar ................................................... 76
Ingat Kembali .........................................................................................78
Ayo Kerjakan...........................................................................................79
AYO KERJAKAN SEMESTER 1 ................................................................................... 81

SEMESTER 2
BAB 6 ENERGI DALAM KEHIDUPAN ...................................................................... 89
A. Bentuk Energi ........................................................................................... 90
B. Sumber Energi dan Penggunaannya ....................................................... 94
Wacana Salingtemas..............................................................................97
Ingat Kembali .........................................................................................98
Ayo Kerjakan...........................................................................................99

BAB 7 ENERGI GERAK BENDA .............................................................................. 101
A. Jenis-jenis Gerak Benda .......................................................................... 102
B. Hal-hal yang Memengaruhi Gerak Benda ................................................. 103
C. Gerak Benda dan Kegunaannya .............................................................. 107
D. Membuat Kincir Angin ............................................................................... 108
Wacana Salingtemas..............................................................................11 0
Ingat Kembali .........................................................................................11 0
Ayo Kerjakan...........................................................................................111

BAB 8 PELESTARIAN SUMBER DAYA ALAM .......................................................... 113
A. Pelestarian Sumber Daya Alam ............................................................... 114
B. Penghematan Energi ............................................................................... 120
Wacana Salingtemas..............................................................................123
Ingat Kembali .........................................................................................123
Ayo Kerjakan...........................................................................................124

BAB 9 BUMI DAN ALAM SEMESTA ......................................................................... 127
A. Permukaan Bumi ..................................................................................... 129
B. Keadaan Langit dan Cuaca ...................................................................... 131
C. Pengaruh Cuaca terhadap Kegiatan Manusia .......................................... 134
Wacana Salingtemas..............................................................................136
Ingat Kembali .........................................................................................136
Ayo Kerjakan...........................................................................................137
AYO KERJAKAN SEMESTER 2 ................................................................................... 140

GLOSARIUM................................................................................................................. 144
DAFTAR PUSTAKA ........................................................................................................ 146
KUNCI JAWABAN........................................................................................................... 147