Cengage Advantage Books: Sustaining the Earth 10th Edition by Tyler Miller,Scott Spoolman

تمرين 2

What is energy ? Distinguish between kinetic energy and potential energy and give an example of each. What is heat ? Define and give two examples of electromagnetic radiation. What is energy quality ? Distinguish between high-energy quality and low-energy quality and give an example of each. What is the law of conservation of energy ( first law of thermodynamics ), and why is it important? What is the second law of thermodynamics and why is it important? Explain why this law means that we can never recycle or reuse high-quality energy.