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The Atom We learned early that matter is made up of small, indivisible particles. Everything around us is made of extremely small particles. These particles are either molecules or atoms. An atom is the smallest indivisible particle of an element
A fuel is a substance that can be combusted or burnt to release energy as a byproduct. The energy can be in the form of heat, light, electricity, sound etc. This energy can be harnessed to power machines or used
Hydrogen is the lightest of all the elements. There is very little hydrogen in the earth’s atmosphere. Hydrogen is so light that its molecules are not held by the earth’s gravity and they diffuse into space. Overall, it is the
Oxygen exists in air to an extent of 21% by volume (or 23% by weight). It is the most abundant element on earth, accounting for ½ the total mass of the earth’s crust. Oxygen is mainly found in combined states
The Concept of Gaseous Exchange Organs Responsible for Gaseous Exchange in Living Organisms Identify organs responsible for gaseous exchange in living organisms Organs responsible for gaseous exchange in living organisms include the following: ORGANISM RESPIRATORY SURFACE Amoeba Cell membrane Insects
The Concept of Transportation of Materials in Living Things Explain the concept of transportation of materials in living things Unicellular organisms (for example amoeba), nutrients (for example oxygen and food) and waste products (for example carbon dioxide) can simply diffuse
The Natural Environment The Concept of Natural Environment Explain the concept of natural environment Natural environment is made up of all living and non living things that occur naturally on earth. An organism living anywhere in any environment is affected
The geography syllabus for secondary school students in Tanzania from Form One to Form Four is designed to provide a comprehensive understanding of geographical concepts, skills, and issues. The curriculum emphasizes physical and human geography, environmental studies, and practical geographic
Transport can be defined as the movement of people, animals, goods or services from one place to another. It provides a link between different parts of the country, region or world. People move from one place to another, either permanently
Power and Energy Define power and energy Energy is the capacity for doing work. You must have energy to accomplish work. Power is the rate of doing work or the rate of using energy. Therefore, you need energy to produce
What is Agriculture? Agriculture refers to a fundamental human activity, which i...
POPULATION STUDIES Is the general activities carried out for the purpose of acqu...
CONCEPT OF SOIL AND SOIL PROFILE Soil appears very complex and thus differe...
GROUND WATER WATER CYCLE Rain falls on the earth surface in filtrates (soaks int...
THEORIES THEORY OF ISOSTASY Denudation has been going on the continents where to...
GLOBE Is the model of the earth Earth Is ball of rock partly covered by wat...
Photograph are the true image pictures showing truly appearance of the earth’s...
What is a map? Map is a scaled conventional representation of the whole or any o...
INTRODUCTION TO SURVEYING Surveying is an art or a science of measuring and reco...
Definitions of Research – Research is the systematic investigation into a...
STATISTICS Statistics is a branch that deals with every aspect of the data. Stat...
