Introduction Have you ever wondered why a hot cup of coffee eventually cools down, or how a plant transforms sunlight into the energy it needs to grow? These everyday phenomena are perfect examples of energy changes in systems, a fundamental concept that helps us understand how our universe works. Energy is constantly flowing and transforming…
Introduction Have you ever wondered why a cup of hot coffee eventually cools down, or how a refrigerator keeps your food cold despite the warm kitchen? These everyday phenomena are manifestations of energy at the macroscopic scale, governing everything from the devices we use to the natural processes that shape our world. Energy, in its…
Introduction Have you ever wondered how your smartphone battery converts chemical energy into electrical power, or how solar panels transform sunlight into usable electricity? Energy conversion devices are the unsung heroes of our modern world, silently working to transform one form of energy into another to power our daily lives. Energy conversion devices have been…
