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Animals are almost the same as human in energy transformations. They change food into thermal and mechanical energy. Due to this constant temperature is maintained in a body and animals are able to move.
â¢ In energy transformations, some energy is always lost to the environment as thermal energy. Examples of energy transformations and their uses: Â· A television changes electrical energy into sound and light energy. Â· A toaster changes electrical energy into thermal energy and light.