Energía

Energía, or energy in English, refers to the capacity to do work or produce change. It exists in various forms, including kinetic energy (the energy of motion), potential energy (stored energy based on position), thermal energy (related to temperature), chemical energy (stored in chemical bonds), electrical energy, and nuclear energy, among others. Energy is a conserved quantity, meaning it can neither be created nor destroyed but can be transformed from one form to another.

In physics, the unit of energy is the joule (J), but it can be expressed in other units such as calories or kilowatt-hours, depending on the context. Energy plays a fundamental role in all physical processes and is essential for powering devices, moving objects, and enabling chemical reactions. It is a central concept in scientific disciplines, including physics, chemistry, and engineering, and it is crucial for understanding the dynamics of systems and the universe.

The concept of energy is also significant in discussions about sustainability, as the generation and consumption of energy resources can impact the environment and climate. Thus, energy is a vital component of modern life, affecting everything from daily activities to global issues like climate change.