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The Concept of Astronomy Explain the concept of astronomy Astronomy is a branch of science which deals with the study of origin,evolution, composition, distance and the motion of all bodies and scattered matter in the universe. The Importance of Astronomy
Semiconductors The Concept of Energy Band in Solids Explain the concept of energy bands in solids In solid-state physics, the electronic band structure (or simply band structure) of a solid describes those ranges of energy that an electron within the solid may have
Thermionic emission is the discharge of electrons from heated materials, widely used as a source of electrons in conventional electron tubes (e.g., television picture tubes) in the fields of electronics and communications. The phenomenon was first observed (1883) by Thomas
The Nucleus of an Atom The Structure of the Nucleus of an Atom Describe the structure of the nucleus of an atom The word atom is derived from the Greek word atom which means indivisible. The Greeks concluded that matter
Magnetic Fields due to a Current-carrying Conductor How Electric Current Produce a Magnetic Field Explain how electric current produces a magnetic field Electromagnetism is the effect produced by the interaction of an electric current with a magnetic field. The interaction
The Concept of Wave Explain the concept of a wave A wave is a disturbance that travels through a medium from one location to another location. Consider a slinky wave as an example of a wave. When the slinky is
HUMAN IMMUNODEFICIENCY (HIV) ACQUIRED IMMUNE DEFICIENCY SYNDROME (AIDS) AND SEXUALLY TRANSMITTED INFECTIONS (STIS) Relationship Between HIV, AIDS and STIs Difference between HIV, AIDS and STIs Distinguish between HIV, AIDS and STIs HIV/AIDS (Human Immunodeficiency Virus and Acquired Immune Deficiency Syndrome)
The universe is a system made up of the stars, planets and the space surrounding them. The earth is the one of the planets in the universe. Plants, animals and other organisms like man, inhabit the earth. For many centuries
Kingdom Animalia The word ‘animal’ is derived from the Latin word animalis which means ‘having breath’. The Kingdom Animalia is characterized by eukaryotic and heterotrophic organisms. They are multicellular and lack cell wall. They depend directly or indirectly of plants
The concept of the Genetics Explain the concept of the genetics Genetics is the study of heredity and variations in organism. Through this statement there are two common words that are heredity and variation. Heredity is the passing on of
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...
