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A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z   entire Web this site energy The capacity for doing work. Stored energy becomes working energy when we use it. Different forms of energy can be converted to other forms, but the total amount of energy remains the same. Related categories    • BASIC SCIENCE Also on this site: Encyclopedia of Science Transport Concepts & Designs (partner site) BACK TO TOP