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38 terms
Terms | Definitions |
|---|---|
 red | rojoAccelerate - to speed up |
| Accelerate | to speed up |
| positron/electron | the smallest unit of a chemical element, made up of a nucleus surrounded by electrons |
| a group of particles traveling together along a well-defined path | the acronym for Becoming Enthusiastic About Math and Science |
| stands for Continuous Electron Beam Accelerator Facility | a temperature scale on which water freezes at 0° and boils at 100° |
| uninterrupted | the transportation of heat from one place to another by the movement of a liquid or gas (A classroom is warmed by a hot air blower due to convection.) |
| the variable that may change as a result of a change in the independent variable | movement of electricity, measured in charges per second (just as river current is measured in liters per second) |
| Accelerate | to speed up |
| Accelerator | a machine which accelerates charged particles to high energies |
| Antimatter | matter that is exactly the opposite in every way from its matter counterpart: antiquark/quark; positron/electron |
| Atom | the smallest unit of a chemical element, made up of a nucleus surrounded by electrons |
| Beam | a ray of light; a group of particles traveling together along a well-defined path |
| BEAMS | the acronym for Becoming Enthusiastic About Math and Science |
| CEBAF | former name of Jefferson Lab; stands for Continuous Electron Beam Accelerator Facility |
| Celsius | a temperature scale on which water freezes at 0° and boils at 100° |
| Charge | the amount of electricity carried by a body (A charge can be negative, like an electron, or positive, like a proton. Objects with opposite charges attract one another, while objects with like charges repel one another.) |
| Chemical Change | a change in the chemical composition of a substance to produce a new material with new properties (An example of a chemical change is wood turning to ash and smoke when it burns.) |
| Chemical Properties | characteristics of a substance that determine how it will react with other substances |
| Chemical Reaction | a chemical change in which one or more substances are changed into one or more new substances |
| Circuit | a closed path through which an electric current flows |
| Colloidal Suspension | a material that has properties of more than one state of matter, such as Jell-o |
| Compound | a substance composed of two or more elements, such as water (H2O), carbon dioxide (CO2), or table sugar (C12H22O11) |
| Computer | a programmable machine that inputs, processes and outputs data |
| Coordinate | a set of numbers that determines the location of a point in space |
| Conduction | the transportation of heat or electricity from one place to another directly through an object (A frying pan is warmed by a hot stove due to conduction.) |
| Conductor | a material (like a metal) through which electricity and heat flow easily |
| Continuous | steady; uninterrupted |
| Convection | the transportation of heat from one place to another by the movement of a liquid or gas (A classroom is warmed by a hot air blower due to convection.) |
| Cryogenics | the science of very low temperatures, far below the freezing point of water |
| Data | a group of measurements, facts or statistics |
| Dependent Variable | the responding variable; the variable that may change as a result of a change in the independent variable |
| Electric Current | movement of electricity, measured in charges per second (just as river current is measured in liters per second) |
| Electromagnet | a wire coil around a metal core (usually iron) that acts like a magnet when an electric current flows through it |
| Electron | a tiny particle with a negative charge which orbits an atom's nucleus |
| Element | any substance that cannot be broken up into simpler substances by chemical means (Currently 115 elements have been observed and are displayed on the Periodic Table of Elements. Gold, silver, iodine, oxygen and nickel are examples of elements.) |
| Energy | the capacity to do work |
| Engineer | a person who uses science and math to design, build or operate equipment, structures and systems (A person who receives a college degree in engineering might be an electrical, mechanical, industrial, chemical, environmental, biochemical or aeronautical engineer.) |
| Experiment | a series of actions carried out to test a theory, demonstrate a fact or find out what happens |
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