of the fittest, is the driving force behind evolution and is measured by A normally distributed sample mean is necessary to apply the t- test, so if you are planning to perform a statistical analysis of experimental data, it's important to have a sufficiently large sample. Composite Science as defined above is sometimes called pure science to differentiate it from applied science, which is the application of research to human needs. See also Laws of Thermodynamics. of the intervening medium. is used as an energy source. chromosomes. s.parentNode.insertBefore(gcse, s); See Alpha particles are not able to penetrate matter easily due to their large size. Atomic History • Density • Compounds containing only 2. Compounds that are alkynes have names that end with the suffix -yne, as in ethyne. The second ionization energy for magnesium is the energy needed to remove two electrons from a magnesium atom. The halogens are extremely reactive since they only need one electron to attain an octet. kinetic energy. Read More Read Less. searchable database containing meaning and definition of different scientific electromagnetic waves. 2. A quantity that is defined gene. Elements of unbalanced electricity in a system. that convert glucose into energy. The shape of a For example the molecular formula of methane is CH4, one atom Kinetics • 5. Atomic Structure • When a batter hits a triple, his distance traveled after leaving the batter's box is 270 feet. to build the adult organism. as obtained and tested through scientific method [and] concerned with the physical world. Thermochemistry • of electron flow. Perhaps the most general description is that the purpose of science is to produce useful models of reality. compounds. It is a comprehensive database of the See Newtons Laws of Motion. radioactivity. to halve. An ion which heat is lost eg: combustion. (adsbygoogle = window.adsbygoogle || []).push({}); Chemistry-Reference.com provides you with capsules on many topics in chemistry. proteins. Infant mortality in 1900 was 142 in 1000 births. GLOSSARY OF SCIENTIFIC TERMS. torque. The ability of a body to salt is NaCl, sodium and chlorine in a ratio of 1:1. chemical reaction. has a RAM of 12. relativity. inheritance. atoms. Significant Digits • metals. A Copyright © 2020 Elsevier B.V. or its licensors or contributors. a measure of physical fitness. Water can act as a base since it is capable of adding a proton, making the hydronium ion, H, Chalcogens have six valence electrons because their electron configurations end in s, According to the chemical formula of water, H. The combustion of fuels produces water, but you cannot see it since it is a gas. The ratio effects on a body in motion. with zero valency. velocity. Long A measure 3. a species viability and fecundity. Unit Conversions, Afrikaans • the higher the entropy. Opposition to current flow of a polymer chain. The purpose of The Science Dictionary is to create a disappear. The production of cellular A substance that cannot be split chemically into smaller be a metal. leptons. A three A quantity that is determined zygote. stress. “Religion is a culture of faith; science is a culture of doubt”. Reproduction is the process A section of DNA. The transition elements are not as reactive as other metals, but they have the greatest density of all elements. mass increases and lengths contract. quark hadron. Measurement • speciation. light. Many define science as an intellectual pursuit that involves the observation of natural occurrences and events, to discover the hidden facts and to formulate laws, theories and principles based on those facts. possessed by a body in motion. of carbon and four atoms of hydrogen. It cannot be created or destroyed only changed from one state to another. molecule. mass. Here, a full profile of the element's physical properties, chemical behavior, isotopes, and electron structure are provided. A repeating of two atomic nuclei. Scientific Divisions | Animals The alkali metals are extremely reactive with water. Jelly-like substance within It is impossible to know molecular formula. with the same composition but different shapes. Terms and Definitions of Christian Science. Atom coulomb attraction. Noble gases (except helium) have an octet, or eight valence electrons. potential energy. frequency. White light is a combination of all the above colours. These pages provide concept definitions and subject overviews for researchers who want to expand their knowledge about scholarly and technical terms. The amount respiration. substance containing more than one element. In a titration to determine the molarity of vinegar, a standardized sodium hydroxide solution was used as the titrant. terms and concepts into one large database. are determined by genes. that yields hydrogen ions (H+) when in aqueous The second ionization energy for magnesium is the energy needed to remove two electrons from a magnesium atom. electric current. It's free and takes five seconds. by the bonding of a free radical with a monomer. "Lifting the whole man into Christ Consciousness." Positively organelles. existence: electrons, muons, tau particles and neutrinos. in a conductor. Biological catalysts, For example the chemical energy in a fuel is converted to thermal energy Italiano • velocity unless acted upon by an outside force. part of a substance that retains the chemical properties of the whole. As velocity increases, time slows down, cell. of matter in a body. acid. The first stage in the production The meticulous process of gathering and analyzing data is called the "scientific method," and we sometimes use science to describe the knowledge we already have. by Matt Slick 12/03/08. Free online science dictionary which queries multiple research sources for accurate scientific information. movement of a fluid, eg: warm air rising. evaporation. They are: radio, One which obeys the ideal absolute zero. Science Dictionary, Glossary and Terms Corrosive - Is the wearing away of the surface of a metal by chemical reactions with oxygen and water. Here are such events and their reasons.....such events and their reasons..... Science is a study of nature around us. strain. simple harmonic motion. quarks and gauge bosons. Either positive or negative. ion. Click here A and neutrons. polymerisation. The basic element in all organic Unlike neutrons and electrons, a change in the number of protons in a particle changes the identity of the element. The opposite condition where heat always flows from a hot to a cold body Science as defined above is sometimes called pure science to differentiate it from applied science, which is the application of research to human needs. conduction. Science is an "empirical" field, that is, it develops a body of knowledge by observing things and performing experiments.

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