We use energy to warm our homes and toast our bread. Scientists are busy researching new ways to make energy available for our use. The sun seems an inexhaustible source of energy. Energy from the sun lights the sky and warms the planet. The energy from the sun is a type of nuclear energy or energy created from nuclear reactions.
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Lesson Summary. In review, energy is the ability to do work. Work occurs when something is moved with an effort. Nuclear energy is the type of energy generated in nuclear reactions, and nuclear reactions are reactions in which atomic nuclei are changed. Atoms are the building blocks of matter; atoms contain nuclei - protons and neutrons, and they also contain electrons.
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A nuclear reaction is a reaction that changes the nucleus of an atom. In other words, the number of protons and/or neutrons is changed as a result of a nuclear reaction. What Do Nuclear Reactions Have to Do with Energy? So what does this have to do with energy? The answer is simple and yet, amazingly profound. Nuclear reactions release energy.
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What is nuclear science? Nuclear science is the study of the atomic world. In nuclear science, the word 'nuclear' means 'of or relating to or constituting the nucleus of an atom'. Atoms are the fundamental constituents of everything around us, and we ourselves are entirely composed of them. This means that nuclear science is crucial to understanding our universe, our world and ourselves at the atomic level. Discover more.
http://www.ansto.gov.au/NuclearFacts/AboutNuclearScience/
pertaining to or involving atomic weapons: nuclear war. operated or powered by atomic energy: a nuclear submarine. (of a nation or group of nations) having atomic weapons. of, relating to, or forming a nucleus. of, relating to, or like the nuclear family: nuclear bonds.
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Hence nuclear physics (1933), nuclear energy (1941), nuclear war (1954). Nuclear winter coined by Richard Turco, but first attested in article by Carl Sagan in Parade magazine, Oct. 30, 1983. General sense of central is from 1912. Nuclear family, originally a sociologists' term, is first attested 1949 in Social Structure, by American anthropologist G.P. Murdock (1897-1985).
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Nuclear fission is used to generate electricity in our nuclear power plants. Fission occurs when uranium nuclei are bombarded with neutrons. The neutrons hit and split the uranium nuclei into fragments. The fission releases a lot of energy and other neutrons as well.
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pertaining to or involving atomic weapons: nuclear war. 2. operated or powered by atomic energy: a nuclear submarine. 3. (of a nation or group of nations) having atomic weapons.
http://www.dictionary.com/browse/nuclear
What is nuclear science? Nuclear science is the study of the atomic world. In nuclear science, the word 'nuclear' means 'of or relating to or constituting the nucleus of an atom'. Atoms are the fundamental constituents of everything around us, and we ourselves are entirely composed of them. Nuclear science is crucial to understanding our universe, our world and ourselves at the atomic level. If we can understand how atoms get together, interact, or can be best combined with other atoms, new, more efficient materials and drugs can be developed. ANSTO and nuclear science
http://www.ansto.gov.au/NuclearFacts/AboutNuclearScience/WhatIsNuclearScience/
Use in atomic physics is from 1914; of weapons, from 1945. Hence nuclear physics (1933), nuclear energy (1941), nuclear war (1954). Nuclear winter coined by Richard Turco, but first attested in article by Carl Sagan in Parade magazine, Oct. 30, 1983
http://www.dictionary.com/browse/nuclear
nuclear definition in science
In science, the word 'nuclear' means 'of or relating to or constituting the nucleus of an atom'. In nuclear science, the word 'nuclear' means 'of or relating to or constituting the nucleus of an atom'.