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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 and light.
Examples include: sunrise ... , decomposition, germination; physical processes, wave ... by a series of countless events as a feature created by nature.
Nature is an inherent character or constitution, [1] particularly of the ecosphere or the universe as a whole. In this general sense nature refers to the laws, elements and phenomena of the physical world, including life.
Examples are a cloud, a human body, a banana, a billiard ball, a table, or a proton. This is contrasted with abstract objects such as mental objects, which exist in the mental world, and mathematical objects. Other examples that are not physical bodies are emotions, the concept of "justice", a feeling of hatred, or the number "3".
Physics – natural and physical science could involve the study of matter [4] and its motion through space and time, along with related concepts such as energy and force. [5] More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves. [a] [6] [7] Branches of physics
Universal natural resources and physical phenomena that lack clear-cut boundaries, such as air, water and climate, as well as energy, radiation, electric charge and magnetism, not originating from civilized human actions. In contrast to the natural environment is the built environment.
Statistical mechanics – the branch of physics which studies any physical system that has a large number of degrees of freedom. Thermodynamics – the branch of physical science concerned with heat and its relation to other forms of energy and work. Nuclear physics – field of physics that studies the building blocks and interactions of ...
In science, the term natural science refers to a rational approach to the study of the universe, which is understood as obeying rules or laws of natural origin.. The term 'natural science' is also used to distinguish those fields that use the scientific method to study nature from the social sciences, which use the scientific method to study human behavior and society; and from the formal ...