radioactivity library
Learn about Radioactivity and get information on topics related to Radioactivity.
Featured Article: Curie
Curie, KYUR ee, is a unit of radioactivity. See more »
Articles 1-12 of 12
Cosmic rays
Cosmic rays are electrically charged, high-energy particles that travel through space.
See more »Fallout
Fallout is radioactive material that settles over the earth's surface following a nuclear explosion in the atmosphere.
See more »Geiger counter
Geiger counter, also called Geiger-Muller counter, is an instrument that detects forms of ionizing radiation.
See more »Irradiation
Irradiation, ih ray dee AY shuhn, is the exposing of matter to radiation, usually for the purpose of producing a specific biological, chemical, or physical change.
See more »Isotope
Isotope, EYE suh tohp, is one of two or more atoms of the same chemical element that differ in the amount of matter they contain.
See more »Photon
Photon, FOH ton, is the elementary particle that makes up light and all other forms of electromagnetic radiation.
See more »Radiation
Radiation is energy given off in the form of waves or small particles of matter.
See more »Spark chamber
Spark chamber was a device invented to study electrically charged subatomic particles.
See more »Van Allen belts
Van Allen belts, also called radiation belts, are two zones of electrically charged particles that surround the earth high above its surface.
See more »Wilson cloud chamber
Wilson cloud chamber was a device that made the paths of electrically charged subatomic particles visible.
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