Categories
Physics

Heat and Thermal Energy – Expansion

The Concept of Heat and Temperature Heat is a form of energy that moves from one point to the other […]

Categories
Physics

Oil Spillage

Meaning of Oil Spillage Oil spillage is the release of a liquid petroleum hydrocarbon into the environment, especially marine areas, due to human activity, […]

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Physics

Uses of Energy

Uses of Energy Solar energy is a universal source of light to planet earth. The plants also use it to […]

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Physics

Sources of Energy and uses, Classification: Renewable and non renewable

The following are the sources of energy: Energy from the sun (solar energy) Wood (fire wood) Coal Electricity Fossil fuels […]

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Physics

The Concept of Energy, Types, Conservation of Energy

Energy is the ability or capacity to do work. Its unit is Joules. Types of Energy Kinetic and Potential Energy Slides: […]

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Physics

Sources of Electric current

Sources of Electric Current Electric current can be generated from the following sources: Chemical energy:Electrical cells store chemical energy. There […]

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Physics

Diffusion of Gases – Brownian Motion, Osmosis, Diffusion, Viscosity, Surface Tension

The molecular kinetic theory can be used to explain a number of phenomena. Some of these phenomena are: Brownian Motion […]

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Physics

Nature and size of molecule

The Nature and Size of Molecules All matter is made up of tiny particles called molecules. These molecules themselves are […]

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Physics

Simple atomic structure

Definition of an Atom An atom is the smallest indivisible particle of an element which can take part in a […]

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Physics

Acceleration Due to Gravity

Acceleration Due to Gravity When an object is dropped from the top of a hill or even a tree, the […]