Pollution and its Control Life on earth is restricted to a thin layer extending a few kilometers above and below the surface of the planet, called the biosphere. Within the…
read moreIt has been said that teaching is tough at times. On the same token then, learning also must be tough some times. Despite our best efforts at concentration, a person…
read moreNatural and Artificial Magnets Natural magnets like the lodestone do not have very strong attractive or directive properties. Also, it is not convenient to use because it occurs in odd…
read morePollution control is the management of waste materials in order to reduce the effect of pollution on people and environment. Conservation and protection of the environment and its components like…
read moreThe word Magnet gets its name from the Ancient Greek town of Magnesia. The Greek philosopher Thales was the first person who described this phenomenon in 550BC. The Origin of…
read moreEducators have been influenced by the theory of multiple intelligences for a few decades now. This theory, which was developed by Howard Gardner in 1983, suggests that we all have…
read moreTransformation and conservation of energy Energy is changing from one form to another whereby an energy chain is set up. Example: Solar energy makes food grow. By eating the food…
read moreThe brain is structured in such a way that different parts of the brain take on different roles in learning. In general, higher-order learning and thinking occurs in the frontal…
read moreAll living things grow, get old and then die. All living things produce young ones like themselves so that life on Earth can continue. Animals reproduce in different ways. A…
read moreEnergy: Energy is the Capacity to do work. The SI unit of energy is joule. Work cannot be done without energy. When work is done, energy is used or converted…
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