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Science is a strict systematic discipline that builds and organizes knowledge in the form of testable hypotheses and predictions about the world. [1] [2] Modern science is typically divided into three major branches: [3] the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study ...
The history of science covers the development of science from ancient times to the present. It encompasses all three major branches of science: natural, social, and formal. [1] Protoscience, early sciences, and natural philosophies such as alchemy and astrology during the Bronze Age, Iron Age, classical antiquity, and the Middle Ages declined ...
In the 20th century, Alexandre Koyré introduced the term "scientific revolution", centering his analysis on Galileo. The term was popularized by Herbert Butterfield in his Origins of Modern Science. Thomas Kuhn 's 1962 work The Structure of Scientific Revolutions emphasizes that different theoretical frameworks—such as Einstein 's theory of ...
Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
Some of the major unsolved problems in physics are theoretical, meaning that existing theories seem incapable of explaining a certain observed phenomenon or experimental result. The others are experimental, meaning that there is a difficulty in creating an experiment to test a proposed theory or investigate a phenomenon in greater detail.
e. The scientific method is an empirical method for acquiring knowledge that has characterized the development of science since at least the 17th century. The scientific method involves careful observation coupled with rigorous scepticism, because cognitive assumptions can distort the interpretation of the observation.
A scientifically literate person is defined as one who has the capacity to: Understand, experiment, and reason as well as interpret scientific facts and their meaning. Ask, find, or determine answers to questions derived from curiosity about everyday experiences. Describe, explain, and predict natural phenomena.
All I know is that thanks to the Hulgan family, every time I reach in that one kitchen drawer, I'm back at the Fourth of July parade, if only for a moment. Thank You to the Hulgans for the memories.
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