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The educational resource shows how the energy is the capacity to produce changes in the environment by doing work or transferring heat. This means that when a body transfers heat or does work, its ene ...
The educational resource shows a Flash animation about the greenhouse effect The Earth is an open material system, because it interchanges matter and energy with outer space.
The principle of conservation of energy states that energy is neither created nor destroyed; it is just transformed from some types of energy into others. The following visual will help you to underst ...
The theorem of conservation of mechanical energy states that the work carried out on a body is invested exactly in increasing some type of energy. When a there are only conservative forces in a system ...
A picture shows some transformations of energy. The energy from the sun passes to plants, to oil, to coal, to animals and to human beings; they take advantage of it by using the energy from oil, anima ...
Mechanical energy is what is produced by mechanical type forces, like elastic and gravitational forces.The following three pictures show situations involving mechanical energy.
tudying this teaching unit will enable students to: Get to know the most fundamental properties of matter: volume and mass, as well as their units of measure. Understand the concept of density and the ...
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