
Energy | Definition, Types, Examples, & Facts | Britannica
Oct 26, 2025 · Energy, in physics, the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or various other forms. There are, moreover, heat and work—i.e., …
Energy - Wikipedia
Energy (from Ancient Greek ἐνέργεια (enérgeia) 'activity') is the quantitative property that is transferred to a body or to a physical system, recognizable in the performance of work and in the form of heat …
ENERGY Definition & Meaning - Merriam-Webster
power, force, energy, strength, might mean the ability to exert effort. power may imply latent or exerted physical, mental, or spiritual ability to act or be acted upon. force implies the actual effective exercise …
What Is Energy? Energy Definition and Examples (Science)
Nov 27, 2017 · Get the definition of energy in science, especially physics and chemistry, along with examples of different forms of energy.
What is energy? explained - U.S. Energy Information Administration …
Scientists define energy as the ability to do work. Modern civilization is possible because people have learned how to change energy from one form to another and then use it to do work.
ENERGY Definition & Meaning | Dictionary.com
Energy can exist in a variety of forms, such as electrical, mechanical, chemical, thermal, or nuclear, and can be transformed from one form to another. It is measured by the amount of work done, usually in …
What is Energy? Definition, Formula, Unit, Types and Example
Feb 1, 2025 · According to the Definition of energy in science, energy is considered a quantitative value that can be transferred from a body to do work. We can also define energy as the ability and strength …
What is energy: definition, types, and key examples
At its core, energy is the ability to produce change or perform work. In a more technical sense, energy can be defined as the quantitative property that must be transferred to an object to perform work or …
Energy: Meaning, Definition, Formula, Types, Examples, and Uses
Jul 30, 2025 · The energy definition in science shows that energy is the capacity to do work and exists in various forms. By learning what is energy in science, we see how energy plays a crucial role in …
ENERGY | definition in the Cambridge English Dictionary
ENERGY meaning: 1. the power and ability to be physically and mentally active: 2. the total of all your power and…. Learn more.