MrsSeaman on January 4, 2011
ASVAB, NelsenTechEd, Tech. Ed.: Science of Technology
Log in to favorite or report as inappropriate.Terms | Definitions |
|---|---|
Adhesive | any synthetic product that is used to join matierals together; causing adherence; sticky |
Alternative Energy | any source of energy other than fossil fuels that is used for constructive purposes |
Atom | the smallest unit of a chemical element, made up of a nucleus surrounded by electrons |
Catalyst | a substance that increases or decreases the rate of a chemical reaction without being consumed by the reaction itself |
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 Engineering | the branch of engineernig serving industries that chemically convert basic raw materials into a variety of products |
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 |
Chemist | a personal engaged in chemical research or experiments |
Chemistry | the branch of science concerned with the properites and interactions of the substances of which matter is composed |
Compound | substance made up of two or more elements such as water (H2O), Carbon Dioxide (CO2) or table sugar (C12, H22, O11) |
Electron | basic particle of negative charge in orbit; around the nucleus of an atom |
Element | a pure substance composed of only one type of atom |
Environment | the surroundings or conditions in which a person, animal, or plant lives or operates |
Environmental Engineering | the branch of engineering that deals with the treatment of chemical, biological, and/or thermal waste, the purification of water and air, and the remediation of contaminated sites due to prior waste disposal or accidental contamination |
Fauna | the animals of a particular region, habitat, or geological period |
Flora | the plants of a particular region, habitat, or geological period |
Mixture | a combinatino of different things in which the components are individually distinct (e.g. a salad is a mixture of vegetables) |
Molecule | a group of atoms chemically bonded together, representing the smallest fundamental unit of a compound that can take part in a chemical reaction |
NaCl | sodium chloride; salt |
Nucleus | the massive, stable part of the atom that contains both protons and neutrons |
Neutron | a proton with no charge that is found in the nucleus of an atom |
Periodic Table | table of all known chemical elements organized according to their properties |
Petroleum Engineering | the application of engineering to the drilling for and production of oil, gas, and liquefiable hydrocarbons |
Pharmaceuticals | the chemistry of drugs and other medicinal products |
Physical Change | a change that affects the size, shape, or color of a substance but does not affect its composition |
Process | human activities used to create, invent, design, transform, produce, control, maintain, and use products or systems |
Proton | particle with a positive charge in the nucleus of an atom |
Synthetic Material | material that is not found in nature, such as glass, concrete, and plastic |