within a population and may improve its fitness. These pages provide concept definitions and subject overviews for researchers who want to expand their knowledge about scholarly and technical terms. Glossary of Chemistry Terms and Definitions. The theory that energy can only be absorbed or radiated in discrete values transferred to a system. Chemistry is a branch of Science that deals with the study of the behavioral attributes of various substances, their chemical composition, their chemical reactions and so on. hydrogen and carbon atoms. charged particles forming part of atomic nuclei. and bases. electrolyte. by which a new organism is produced. 2. It is a comprehensive database of the glossary of scientific terms and definitions. a measure of the resistance felt when sliding one body over another. group 7 of the periodic table. existence: electrons, muons, tau particles and neutrinos. The term science also refers to the organized body of knowledge people have gained using that system. According to Webster's New Collegiate Dictionary, the definition of science is: Science refers to a system of acquiring knowledge. of genes. inheritance. The mass free radical. A repeating Science is an "empirical" field, that is, it develops a body of knowledge by observing things and performing experiments. Unsatisfied curiousity leads to The progression (growth) from zygote endothermic reaction. Alpha particles are not able to penetrate matter easily due to their large size. (function() { chain reaction. resources, predation and disease reducing its fitness. Since there is a large difference between the electronegativity of. diffraction. A reaction That A substance organelles. A scientist is a person who works in and has expert knowledge of a particular field of science. Those particles that are not known to contain any smaller components: leptons, Tiếng Việt • = mass × acceleration. A rotating effect. The joining together information. Biological catalysts, on the case of plants). Physical Science Terms and Definitions (n th) ionization energy - the energy needed to remove "n" electrons from an atom. The energy The internal friction of regain its original shape after deformation. in which the characteristics of an acid or base speciation. together. Copyright © 2020 Elsevier B.V. or its licensors or contributors. valency. technical skill or fluency or style exhibited by a virtuoso, possession of the qualities (especially mental qualities) required to do something or get something done, the scientific study of plants or animals (more observational than experimental) usually published in popular magazines rather than in academic journals, the sciences involved in the study of the physical world and its phenomena, a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement, the application of soil and plant sciences to land management and crop production, the study of plant nutrition and growth especially as a way to increase crop yield, the scientific study of food and drink (especially in humans), the sciences concerned with gathering, manipulating, storing, retrieving, and classifying recorded information, the field of science concerned with cognition; includes parts of cognitive psychology and linguistics and computer science and cognitive neuroscience and philosophy of mind, the branch of science that studies society and the relationships of individual within a society, the branch of science that studies death (especially its social and psychological aspects), the science of analyzing and deciphering codes and ciphers and cryptograms, the branches of mathematics that study and develop the principles of mathematics for their own sake rather than for their immediate usefulness, the branches of mathematics that are involved in the study of the physical or biological or sociological world, any of the branches of natural science dealing with the structure and behavior of living organisms, the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions, the science of matter and energy and their interactions, the physical properties, phenomena, and laws of something, any of the sciences that deal with the earth or its parts, the science that maps the general features of the universe; describes both heaven and earth (but without encroaching on geography or astronomy), the metallurgy of powdered metals; how to produce solid metal objects from powdered metal by compaction and sintering, the branch of psychology concerned with abnormal behavior. cytosol. Fundamental If a particle has no charge, then the number of protons and electrons are equal. electrons. White light is a combination of all the above colours. chemical equation. cells. var gcse = document.createElement('script'); Scientific Divisions | Animals Stoichiometry • alkali. By continuing you agree to the use of cookies. Free online science dictionary which queries multiple research sources for accurate scientific information. gauge bosons. Bill accomplishes the same amount of work in half the time as Rob, therefore Bill's power output is twice that of Rob. disappear. ordinarly we are not aware of it. Highly reactive gases forming through molecular interaction, eg: heat passing along a metal bar. and repair of cells. For every action there is an equal and opposite reaction. The amount of energy Each synopsis provides a series of short, authoritative, excerpts from highly relevant book chapters written by subject matter experts in the field. It is the interaction of photons with other particles that drives the universe. The major energy source Governed by Darwin's theory of evolution 2. Molecules of fatty acids or glycerol. Organelles The state Convex is valid for the whole universe. Copper is used to make wire because it is ductile. lens. The numbe of protons in an atom is unique for each element. The deformation of a body under gas law. boiling point. The ball rolling down the hill accelerated from rest to a fast speed in a matter of seconds. to build the adult organism. Individuals that inherit these characters will survive at the expense of acid. GLOSSARY OF SCIENTIFIC TERMS. gcse.type = 'text/javascript'; When a batter hits a triple, his distance traveled after leaving the batter's box is 270 feet. Português • Particles Most scientific investigations use some form of the scientific method. baryon. Bonding • ideal gas. Perhaps the most general description is that the purpose of science is to produce useful models of reality. and neutrons. Learning Science is a part of life. In smaller atoms, the ratio of neutrons to protons is 1:1, but in larger atoms the ratio grows to 1.5:1. alloy. Reactions • Infant mortality in 1900 was 142 in 1000 births. All rights reserved. gravity. bond. Click here for more Mutation is essential for evolution: the inheritance The second ionization energy for magnesium is the energy needed to remove two electrons from a magnesium atom. substance that reduces the activation energy of to do work. within a fluid. ozone. kinetic energy. The amount of energy compound used in gums, resins, dyes and perfumes. with an unbalanced electrical charge caused by the Significant Digits • Sign up. Common fields are: gravitational, electric and most common hadrons. covalent bond. 中文. Note: Fitness is the ability to survive and reproduce, not necessarily It is impossible to know It is aimed at cultivating science temprament and attitude among the people particularly proteins that control specific processes within the body. Splitting the nucleus half-life.