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12 Cards in this Set
- Front
- Back
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Ceramic
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A hard, crystalline solid made by heating clay and other mineral materials to high temperatures.
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Glass
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A clear, solid material with no crystal structure, created by heating sand to a very high temperature.
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Optical Fiber
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A threadlike piece of glass (or plastic) that can be used for transmitting messages in the form of light.
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Nuclear Reaction
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A reaction involving the particles in the nucleus of an atom that can change one element into another element.
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Radioactice Decay
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The process in which the atomic nuclei of unstable isotopes release fast-moving particles and energy.
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Radioactivity
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The spontaneous emission of radiation by an unstable atomic nucleus.
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Alpha Particle
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A type of nuclear radiation consisting of two protons and two neutrons.
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Beta Particle
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A fast-moving electron that is given off as nuclear radiation.
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Gamma Radiation
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A type of nuclear radiation made of high-energy waves.
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Half-life
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The length of time needed for half of the atoms of a sample of a radioactive isotope to decay.
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Radioactive Dating
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The process of determining the age of an object using the half-life of one or more radioactive isotopes.
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Tracer
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A radioactive isotope that can be followed through the steps of a chemical reaction or industrial process.
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