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CBB chapter 4
| Question | Answer |
|---|---|
| A large, complex molecule built form smaller molecules joined together in a repeating pattern | Polymer |
| One of the smaller molecules from which polymers are built | Monomer |
| A synthetic polymer that can be molded and shaped | Plastic |
| A combination of two or more substances that creates a new material with different properties | Composite |
| A hard, crystalline solid made by heating clay and other mineral materials to high temperatures | Ceramic |
| A clear solid material with no crystal structure created by heating sand to a very high temperature | Glass |
| A threadlike piece of glass, or plastic that can be used for transmitting messages in the form of light | Optical fiber |
| A reaction involving the particles in a the nucleus of an atom that can change one element into another | Nuclear reaction |
| The process in which the atomic nuclei of unstable isotopes release fast- moving particles and energy | Radioactive decay |
| The spontaneous emission of radiation by unstable atomic nucleus | Radioactivity |
| A type of nuclear radiation consisting of two protons and two neutrons | Alpha particle |
| A fast moving electron that is given off as nuclear radiation | Beta particle |
| A type of nuclear radiation made of high energy waves | Gamma radiation |
| The process of determining the age of an object using the half-life of one or more radioactive isotopes | Radioactive dating |
| A radioactive isotope that can be followed through the steps of a chemical reaction or industrial process | Tracer |
Created by:
Pettolina2013
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