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The classical elements typically refer to earth, water, air, fire, and (later) aether which were proposed to explain the nature and complexity of all matter in terms of simpler substances. [ 1 ][ 2 ] Ancient cultures in Greece, Angola, Tibet, India, and Mali had similar lists which sometimes referred, in local languages, to "air" as "wind", and ...
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. Although humans are part of nature, human activity or humans as a whole are often described as at times at odds, or ...
Wuxing originally referred to the five major planets (Jupiter, Saturn, Mercury, Mars, Venus), which were with the combination of the Sun and the Moon, conceived as creating five forces of earthly life. This is why the word is composed of Chinese characters meaning "five" (五; wǔ) and "moving" (行; xíng). "Moving" is shorthand for "planets ...
Natural philosophy. Natural philosophy or philosophy of nature (from Latin philosophia naturalis) is the philosophical study of physics, that is, nature and the physical universe. It was dominant before the development of modern science. From the ancient world (at least since Aristotle) until the 19th century, natural philosophy was the common ...
The elements of earth, water, air, and fire, were classed as the fundamental building blocks of nature. This system prevailed in the Classical world and was highly influential in medieval natural philosophy. Although Paracelsus uses these foundations and the popular preexisting names of elemental creatures, he is doing so to present new ideas ...
Mercury. Salt. v. t. e. According to ancient and medieval science, aether(/ˈiːθər/, alternative spellings include æther, aither, and ether), also known as the fifth elementor quintessence, is the material that fills the region of the universebeyond the terrestrial sphere.[1] The concept of aether was used in several theories to explain ...
e. Natural science is one of the branches of science concerned with the description, understanding and prediction of natural phenomena, based on empirical evidence from observation and experimentation. [ 1 ] Mechanisms such as peer review and reproducibility of findings are used to try to ensure the validity of scientific advances.
The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows (" periods ") and columns (" groups "). It is an icon of chemistry and is widely used in physics and other sciences. It is a depiction of the periodic law, which states that when the elements are arranged in order ...