The Importance of Conserving Energy Resources

  1. As more and more people live on the Earth, the demand for energy increases, How far into the future will energy resources be available to supply our needs?   2. Without sufficient energy supply, our comfortable lifestyle in this modern...

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Renewable and Non-Renewable Energy Sources

  1. Energy resources can be divided into two main groups, renewable and non-renewable.   2. Renewable energy sources are energy sources that can be replaces after being used. An example of renewable energy source is solar...

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The Various Forms and Sources of Energy

  Energy 1. Things have energy if they can do work. Energy is the ability to do work.   2. The unit of energy is joule (J).   3. All living things need energy to do work. Energy makes things grow, keeps us warm and sustains...

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