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Table of contents
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Acknowledgements......................................................... iv
Introduction .................................................................... v
Chapter One
Environment........................................................................ 1
Chapter Two
Energy................................................................................. 16
Chapter Three
Matter................................................................................. 33
Chapter Four
Communication................................................................... 41
Chapter Five
Tools for simplifying work................................................... 51
Chapter Six
Measurements..................................................................... 57
Chapter Seven
Personal hygiene................................................................. 66
Chapter Eight
First aid............................................................................... 74
Chapter Nine
A balanced diet................................................................... 80
Chapter Ten
HIV and AIDS...................................................................... 84
Chapter Eleven
The human digestive system............................................... 88
Revision exercise ............................................................ 92
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PROPERTY OF UNITED REPUBLIC OF TANZANIA GOVERNMENT
Ministry of Education, Science and Technology
Science and Technology 3.indd 3 03/08/2019 11:01
