Energy is the ability to do work or cause change. It is an essential concept in the world around us, as it powers everything from the machines we use to the food we eat. Without energy, our daily lives would come to a standstill.
There are various forms of energy, each interconnected and capable of transforming into one another. Some of the common forms of energy include:
Mechanical energy: This is the energy possessed by an object due to its motion or position. For example, a moving car possesses kinetic energy, while a stretched bow possesses potential energy.
Thermal energy: This is the energy associated with the random motion of particles in a substance. It determines its temperature.
Chemical energy: This is the energy stored in the bonds between atoms and molecules. It is released during chemical reactions, such as burning wood or digesting food.
Understanding the different forms of energy and how they can be transformed is fundamental to grasping the concept of energy.