..Ядрена Енергия..
1. http://bg.wikipedia.org/wiki/%D0%AF%...B3%D0%B8%D1%8F
2. http://www.wmyst.hit.bg/Science-Nucl...gy1-main-s.htm
3. http://greenimpulse.hit.bg/bg_versio...ar%20power.htm

..Механична енергия..
1. http://bg.wikipedia.org/wiki/%D0%9C%...B3%D0%B8%D1%8F
2. http://www.signlanguage-bg.com/bg/sp...age/bg/346.htm

..Кинетична енергия..
http://bg.wikipedia.org/wiki/%D0%9A%...B3%D0%B8%D1%8F