Chemistry Study Notes ADVANCED CHEMISTRY QUESTIONS & ANSWERS – SOLVED PROBLEMS msomimaktaba, November 11, 2018February 13, 2019 1 . Explain very briefly using equations where possible the extraction of copper from its commercial hall under the heading of reduction and purification. 2. (a) Write down: (i) Four reasons which justifies the placement of hydrogen in group I of the periodic table (ii) Four reasons which puts…Pages: 1 2 3 Continue Reading
Form 5 General Studies (GS) Study Notes Form 5 General Studies (GS) – LIFE SKILLS msomimaktaba, November 7, 2018February 13, 2019 Are the abilities for adaptive and positive behaviors that enable individuals to deal effectively and efficiently with the demands and challenges of everyday life. Generally life skills are the strategies or techniques that a person must pass in order to perform his or her activities successfully. What is life? Life…Pages: 1 2 3 Continue Reading
Form 5 General Studies (GS) Study Notes Form 5 General Studies (GS) – INTERNATIONAL AFFAIRS / COOPERATION msomimaktaba, November 7, 2018February 13, 2019 NTERNATIONAL AFFAIRS This can be defined as a political, economic, diplomatic and culture relation among the nation. – Political relation; Is the cooperation whereby the two or more independent state share ideas above political matters. – Economic relation; Is the situation whereby two or more independent states share economic activities…Pages: 1 2 3 4 5 Continue Reading
Form 5 General Studies (GS) Study Notes Form 5 General Studies (GS) – DEMOCRATIC PROCESS AND PRACTICES. msomimaktaba, November 7, 2018February 13, 2019 The meaning of the concept The term “democracy” even in a purely descriptive sense, means different things to different people. Much has been debated on what is democracy and democratic value. Since Aristotle formulated the phenomenon called “democracy”, many philosophers have meditated and written about it with the result that…Pages: 1 2 3 4 5 Continue Reading
Form 5 General Studies (GS) Study Notes Form 5 General Studies (GS) – SCIENCE AND TECHNOLOGY IN DEVELOPMENT msomimaktaba, November 7, 2018February 13, 2019 Definition of the terms science and technology Science is an organized body of knowledge derived from a systematic observation and experiment of natural condition. Science involves the extract of knowledge and skills on something through testing, smelling, touching and experiments for the sake of deriving principles and laws guiding the…Pages: 1 2 Continue Reading
Form 5 General Studies (GS) Study Notes Form 5 General Studies (GS) – CONTEMPORARY/CROSS- CUTTING ISSUES IN TANZANIA msomimaktaba, November 7, 2018February 13, 2019 1. GENDER AND DEVELOPMENT (a) Basic concept related to gender Gender refers to a social cultural relationship between men and women on basis of their functions, roles behavior and social cultural attributes practiced. Discussing issues found in gender and development area. There is a need of illustrating the social systems…Pages: 1 2 3 4 5 6 7 Continue Reading
Form 5 General Studies (GS) Study Notes Form 5 General Studies (GS) – PHILOSOPHY AND RELIGION msomimaktaba, November 7, 2018February 13, 2019 PHILOSOPHY I. Concept of philosophy Philosophy is the Greek word having the two words. Philo means the love of or pursuit of and Sophia means wisdom (knowledge). The simple meaning two combine word with the love of wisdom or knowledge. Loving wisdom involve seeking to know and understand about what…Pages: 1 2 3 4 5 Continue Reading
Form 6 Physics Notes FORM 6 PHYSICS: ENVIROMENTAL PHYSICS PART – 3 msomimaktaba, November 6, 2018February 13, 2019 THE EARTH’S MAGNETIC FIELD The earth has a weak magnetic field, 95% of this field is created inside the Earth’s core 5% is the result of atmospheric effects above the Earth’s surface. Geomagnetism is science of study of the earth magnetic field, its causes and its variations. Generation of… Continue Reading
Form 6 Physics Notes FORM 6 PHYSICS: ENVIROMENTAL PHYSICS PART – 2 msomimaktaba, November 6, 2018February 13, 2019 TIDAL ENERGYTidal Power is the power of electricity generation achieved by capturing the energy contained in moving water mass due to tides. Two types of tidal energy can be extracted: Kinetic energy of currents between ebbing and surging tides and potential energy from the difference in height between high… Continue Reading
Form 6 Physics Notes FORM 6 PHYSICS: ENVIRONMENTAL PHYSICS PART – 1 msomimaktaba, November 6, 2018February 13, 2019 (i) Agriculture physics – Influence of solar radiation on plant growth. – Influence of wind, humidity, rainfall and air temperature on plant growth. – Soil environmental component which influence plant growth. (ii) Energy from the environment Photovoltaic energy Wind energy Geothermal energy Wave energy (iii) Geophysics (Earth quakes)… Continue Reading
Form 4 Physics Notes PHYSICS FORM FOUR TOPIC 7: GEOPHYSICS msomimaktaba, November 6, 2018February 13, 2019 Geophysics is a branch of science that deals with the physical, chemical, geological, astronomical and other characteristic properties of the earth.It deals with geological phenomena such as the temperature courages the change of weather(most of weather phenomenon occur in the troposphere).Clouds and rain are formed within this region. The… Continue Reading
Form 4 Physics Notes PHYSICS FORM FOUR TOPIC 5: ELECTRONIC msomimaktaba, November 6, 2018February 13, 2019 Semi Conductors 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 (called energy bands, allowed bands, or… Continue Reading
Form 4 Physics Notes PHYSICS FORM FOUR TOPIC 4: THERMIONIC EMISSION msomimaktaba, November 6, 2018February 13, 2019 Thermionic Emission 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 A. Edison as a passage of electricity from… Continue Reading
Form 4 Physics Notes PHYSICS FORM FOUR TOPIC 3: RADIOACTIVITY msomimaktaba, November 6, 2018February 13, 2019 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 could be broken down into particles to small to be… Continue Reading
Form 4 Physics Notes PHYSICS FORM FOUR TOPIC 2: ELECTROMAGNETISM msomimaktaba, November 6, 2018February 13, 2019 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 can result in a force causing the conductor carrying the… Continue Reading
Form 4 Physics Notes PHYSICS FORM FOUR TOPIC 1: WAVESIntroduction to Waves msomimaktaba, November 6, 2018February 13, 2019 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 stretched from end to end and is held at rest,… Continue Reading