| A | B |
| technology | the application of science for practical purposes; the use of tools, machines, materials, and processes to meet human needs |
| engineering | the application of science and mathematics to solve real-life problems |
| trade-off | the giving up of one thing in return for another |
| prototype | a test model of a product |
| risk-benefit analysis | the comparison of the risks and benefits of a decision or a product |
| life cycle analysis | the evaluation of the materials and energy used for the manufacture, transportation, sale, use, and disposal of technology |
| Pugh chart | a table used to compare the features of multiple items, such as technological products or solutions |
| system | a set of particles or interacting components considered to be a distinct physical entity for the purpose of study |
| systems theory | the study of systems, components of systems, and interactions of systems and system components |
| input | information, material, or energy added to a system or process |
| output | information, material, or energy resulting from a system or process |
| control | in systems theory, a mechanism for regulating a system, process, or component of a system |
| feedback | the return of information about a system or process that may effect a change in the system or process; the information that is returned |
| materials science | the study of the characteristics and uses of materials in science and technology |