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
Translation is a process by which ideas that are written in one language ar...
Are the abilities that allow you to write effectively and concisely. A competent...
Reading is the process of going through written information or piece of wor...
What is Speaking? SPEAKING SKILLS: Speaking is simply the act of talking wh...
Listening is ability to accurately receive and interpret messages in the communi...
This is the field or branch of morphology which studies different principles or ...
Language is a symbol system based on pure or arbitrary conventions…...
Ecology is the study of the interactions between living things, such as humans, ...
EVOLUTION Evolution is a change in the genetic composition of a population...
Genetics is the study of heredity and variationHeredity- is the passage of chara...