Chapter 1: Our planet earth in the universe

The universe The solar system The geographical grid: location Characteristics of latitude Characteristics of longitude The earth moving in space Effects of rotation Effects of revolution

Chapter 2:The earth as a blue planet

The distribution of water bodies and land masses Importance of oceans and seas to man The relief of the continents of the earth The relief map of Cameroon

Chapter 3: Rotation and time

Calculations of local time and longitudes

Chapter 4: The nation of environment

Types of environment Components of the environment The Ecosystem Types of ecosystem Bio-climatic or natural regions in Cameroon Environmental degradation in Cameroon

Chapter 5: Solid waste management

DEFINITION Ways of disposing waste Effect of the causes of climate change Effect of the causes of climate change