thermal energy, mechanical energy, electrical energy, light, heat, sound, potential energy, kinetic energy, source
https://www.youtube.com/watch?v=b89A0fgX-UI
https://www.youtube.com/watch?v=Q0LBegPWzrg
https://www.youtube.com/watch?v=8qmSzMwTkpk
https://www.youtube.com/watch?v=jDdwj5H6_dQ
https://www.youtube.com/watch?v=ReCi250OfLQ
https://www.youtube.com/watch?v=d65mdTJaJTI
https://www.youtube.com/watch?v=jKokXIJ9Gw4
https://www.youtube.com/watch?v=ZZ29wg6ASik
https://www.youtube.com/watch?v=rfeVlNL7d9U&feature=youtu.be
https://www.youtube.com/watch?v=z8a-L1lkq3w&feature=youtu.be
https://www.youtube.com/watch?v=3G88lz9w3zg&feature=youtu.be
https://www.youtube.com/watch?v=4HdxQhBRDUI&feature=youtu.be