1 A farewell or final appearance, action, or work. 2  The beautiful legendary song sung only once by a swan in its lifetime, as it is dying.
A person converts chemical potential energy into kinetic/mechanical energy when he walks. The chemical potential energy usually takes the form of adenine triphosphate (ATP) st â¦ ored in the body.
LESSON OBJECTIVES. Students will: Discuss the idea that as mechanical energy was converted into electrical energy at the power plant, electric energy is now to be converted back to mechanical energy by a motor. Make some simple drawings of how magnets work in the operation of a motor.