Heat as a source of energy
Heat as a source of energy 1 What is energy? Ans: Energy is the ability to do work 1. What is source of energy? Ans: Source include natural gas, gasoline, coal and batteries etc form are called source of energy. Types of energy sources 1. What is renewable energy? Ans: source of energy those which are replaced after use them are called renewable energy. Hydro-Electricity, solar energy, energy from wind are the example of renewable energy. 2. What is Non-renewable energy? Ans: The source of energy are not replaced after their use called Non-renewable energy. Coal, petroleum and natural gas are an example of Non-renewable energy . Energy saving We use the energy for different purpose. But we do not care for keeping the sources for the future use. we know that non-renewable sources get depleted when they are often used 1. How to save the energy? Turn off u...
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