fission, nuclear

A nuclear reaction in which a single large nucleus splits into two or more smaller nuclei. In some cases, for example with uranium, energy is released in this process.

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This teacher-developed 5th grade word list covers all the basics to prepare students for middle school.
Question 1 of 10
compact
joined or packed together; closely and firmly united; dense; solid.
ready or inclined to fight.
not participating actively.
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notes for fission, nuclear

The fission of uranium 235, an isotope of uranium, supplies energy for nuclear reactors and atomic bombs (see also atomic bomb).

Words nearby fission, nuclear

fission bomb, fission fungi, fission product, fission reactor, fission track, fission, nuclear, fission-fusion bomb, fission-track dating, fissionable, fissipalmate, fissiparity
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.