Form 3 Physics Notes PHYSICS FORM THREE TOPIC 5: THERMAL EXPANSION msomimaktaba, November 6, 2018February 13, 2019 Thermal Energy The Concept of Heat Explain the concept of heat Heat – Is the transfer of energy due to temperature differences. Temperature – Is the degree of hotness or coldness of a body. Or heat is a form of energy which raises the temperature of the substance…. Continue Reading
Form 3 Physics Notes PHYSICS FORM THREE TOPIC 4: OPTICAL INSTRUMENT msomimaktaba, November 6, 2018February 13, 2019 Simple Microscope The Structure of the Simple Microscope Describe the structure of the simple microscope A magnifying glass, an ordinary double convex lens with a short focal length, is a simple microscope. The reading lens and hand lens are instruments of this type. When an object is placed nearer… Continue Reading
Form 3 Physics Notes PHYSICS FORM THREE TOPIC 3: LIGHT msomimaktaba, November 6, 2018February 13, 2019 Light is aform of energy which controls the sense of vision. Reflection of Light from Curved Mirrors Difference between Concave and Convex Mirrors Distinguish between concave and convex mirrors Concave mirror is a spherical mirror whose reflecting surface is curved inwards. A Good example is the driving mirror of… Continue Reading
Form 3 Physics Notes PHYSICS FORM THREE TOPIC 2: FRICTION msomimaktaba, November 6, 2018February 13, 2019 Concept of Friction The Concept of Friction Explain the concept for friction Friction is the force which opposes (resists) motion of the body for example: If a block of wood is placed on a table it remains at rest Unless it is acted upon by an external force…. Continue Reading
Form 3 Physics Notes PHYSICS FORM THREE TOPIC 1: APPLICATION OF VECTORS msomimaktaba, November 6, 2018February 13, 2019 Scalar and Vector Quantities Difference between Scalar and Vector Quantities Distinguish between scalar and vector quantities Scalar Quantities These are physical quantities which have magnitude only. Examples of scalar quantities include mass, length, time, area, volume, density, distance, speed, electric current and specific heat capacity. Vector Quantities These are physical… Continue Reading
Form 2 Physics Notes PHYSICS FORM TWO TOPIC 9: SUSTAINABLE ENERGY RESOURCE msomimaktaba, November 6, 2018August 2, 2021 Sustainable energy, specifically renewable energy or green energy, is an energy source which can be replenished, that is essentially inexhaustible. Sustainable sources of energy include solar, wind, water, biomass and geothermal. Non renewable energy sources include coal, oil and natural gas. Water Energy The Generation of Electricity from Water Explain… Continue Reading
Form 2 Physics Notes PHYSICS FORM TWO TOPIC 8: TEMPERATURE msomimaktaba, November 6, 2018February 13, 2019 Concept of temperature The Term Temperature Define the term temperature Temperature is property of a body, which decides which way heat will flow when it is placed in contact with another body. The SI Unit of Temperature State the SI unit of temperature Temperature refers to the degree of coldness… Continue Reading
Form 2 Physics Notes PHYSICS FORM TWO TOPIC 7: NEWTON’S LAW OF MOTION. msomimaktaba, November 6, 2018February 13, 2019 1st law of Motion The Concept of Inertia Explain the concept of inertia Inertia is the ability of a resting body to resist motion or a moving body to continue moving in a straight line when abruptly stopped. The more mass a body has, the greater its inertia and… Continue Reading
Form 2 Physics Notes PHYSICS FORM TWO TOPIC 6: MOTION IN STRAIGHT LINE. msomimaktaba, November 6, 2018February 13, 2019 Motion In Straight Line Motion is the change of position of an object from one place to another. There are two types of motions; i.Circular motion-Is the motion of an object in a circle. Examples; a/. motion of the electron around the nucleus of an atom b/.revolutionary movement of… Continue Reading
Form 2 Physics Notes PHYSICS FORM TWO TOPIC 5: SIMPLE MACHINES msomimaktaba, November 6, 2018February 13, 2019 Simple Machines A simple machine is a non-powered mechanical device that changes the direction or magnitude of a force. In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called leverage) to multiply force. A simple machine uses a single applied force to do… Continue Reading
Form 2 Physics Notes PHYSICS FORM TWO TOPIC 4: FORCES IN EQUILIBRIUM msomimaktaba, November 6, 2018February 13, 2019 Moment of a Force The Effects of Turning Forces Explain the effects of turning forces A force is a push or pull which when applied to a body it will change its state either by stopping it if it was in motion or making it move if it was… Continue Reading
Form 2 Physics Notes PHYSICS FORM TWO TOPIC 3: MAGNETISM msomimaktaba, November 6, 2018February 13, 2019 Concept of Magnetism The Orign of Magnetism Explain the origin of magnetism Chinese were the first to use the metal magnetite called lodestone. A Lodestone was capable of attracting small iron pieces and it was used as a crude navigation compass by Greeks. Lodestones were the earliest magnets. Iron, nickel… Continue Reading
Form 2 Physics Notes PHYSICS FORM TWO TOPIC 2: CURRENT ELECTRICITY msomimaktaba, November 6, 2018February 13, 2019 Electric current is the rate of charge flow past a given point in an electric circuit, measured in Coulombs/second which is named Amperes. In most DC electric circuits, it can be assumed that the resistance to current flow is a constant so that the current in the circuit is… Continue Reading
Form 2 Physics Notes PHYSICS FORM TWO TOPIC 1: STATIC ELECTRICITY msomimaktaba, November 6, 2018February 13, 2019 Concept of Static Electricity The Concept of Static Electricity Explain the concept of static electricity Static electricity refers to the electric charges stored on a conductor. The Orign of Charges Explain the origin of charges When a plastic pen is rubbed with a cloth, it acquires the property of attracting… Continue Reading
Form 1 Physics Notes PHYSICS FORM ONE TOPIC 9: LIGHT msomimaktaba, November 6, 2018February 13, 2019 Sources of Light The Concept of Light Explain the concept of light Light can carry both energy and information. It both is the way the sun delivers energy to the world, making life possible, and it is a very important way that we learn about the world, through our sense… Continue Reading
Form 1 Physics Notes PHYSICS FORM ONE TOPIC 8: WORK ENERGY AND POWER msomimaktaba, November 6, 2018February 13, 2019 Work The Concept of Work Explain the concept of work If a person pushes a wall and the wall does not move, though the person may sweat and physically become tired, he would not have done any work. But if the person pushes a trolley and the trolley moves… Continue Reading