semester 2 tugas proyek semester 2 .............................................................................
87
bab 6
sumber sumber energi .................................................................. 89 a sumber-sumber energi ................................................................ 90 b energi yang paling banyak digunakan ........................................ 99 uji kemampuan bab 6 .................................................................... 104
bab 7
kenampakan matahari ................................................................... 107 a kenampakan matahari di pagi hari .............................................. 108 b kenampakan matahari tepat siang hari ....................................... 109 c kenampakan matahari di sore hari.............................................. 111 uji kemampuan bab 7 .................................................................... 115
bab 8
penggunaan panas dan cahaya matahari ................................... a kegunaan panas dan cahaya matahari ....................................... b bahaya panas matahari .............................................................. c mencegah bahaya panas dan cahaya matahari ......................... uji kemampuan bab 8 ....................................................................
119 120 125 127 131
uji kemampuan semester 2 ......................................................................... uji kemampuan akhir tahun ......................................................................... kunci jawaban .............................................................................................. glosarium .............................................................................................. daftar pustaka ..............................................................................................
135 139 142 145 146
vi
daftar isi