Page 4 - SayansiStd4

Yaliyomo

Shukurani ............................................................................ iv

Utangulizi ............................................................................. v
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Sura ya Kwanza

Kanuni za afya ..................................................................... 1

Sura ya Pili

Magonjwa ........................................................................... 29

Sura ya Tatu

Maada ................................................................................. 50

Sura ya Nne

Uunguaji wa vitu ................................................................ 65

Sura ya Tano

Nishati................................................................................. 77

Sura ya Sita

Usimbaji katika kompyuta ...............................................112

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14/01/2025 18:38
SAYANSI DARASA LA IV KITABU CHA MWANAFUNZI.indd 3
SAYANSI DARASA LA IV KITABU CHA MWANAFUNZI.indd 3 14/01/2025 18:38