Lesson 1: Forms of Energy and Energy Transformations - WikiEducator - 0 views
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valerie taylor on 15 May 11"Energy is the ability to do work. It is one of the basic human needs and is an essential component in any development programme. In this lesson, we are going to look at the forms that energy exists, namely: heat, light, sound, electrical, chemical, nuclear and mechanical. These forms of energy may be transformed from one form to the other, usually with losses. "