| A | B |
|---|
| Scale | Relates concepts and ideas to one another by some measurement |
| Science | Search for understanding the natural world using inquiry and experimentation |
| Shredder | Through chewing and/or grinding, microorganisms feed on non-woody coarse particulate matter, primarily leaves |
| Stream order | Energy and nutrient flow that increases as water moves toward the oceans |
| Succession | The series of changes that occur in an ecosystem with the passing of time |
| Sustainability | The ability to keep in existence or maintain |
| System | group of related objects that work together to achieve a desired result |
| Closed Loop system | group of related objects that have feedback and can modify themselves |
| Open Loop system | A group of related objects that do not have feedback and cannot modify themselves |
| Subsystem | A group of related objects that make up a larger system |
| Technological design process | Recognizing the problem, proposing a solution, implementing the solution, evaluating the solution and communicating the problem, design and solution |
| Technology education | application of tools, materials, processes and systems to solve problems and extend human capabilities |
| Theory of evolution | the various types of animals and plants have their origin in other preexisting types |
| Theory | Systematically organized knowledge applicable in a relatively wide variety of circumstances |
| Tool | device used to extend human capability |
| Topographic map | representation of a region on a sufficient scale to show detail, selected man-made and natural features of a portion of the land surface |
| Transportation systems | A group of related parts that function together to perform a major task in any form of transportation |
| Transportation technology | The physical ways humans move materials, goods and people |
| Trophic levels | role of an organism in nutrient and energy flow within an ecosystem |
| Waste Stream | flow of (waste) materials from generation, collection and separation to disposal |
| Watershed | The land area from which surface runoff drains into a stream, channel, lake, reservoir or other body of water |
| Wetlands | Lands where water saturation is the dominant factor determining the nature of the soil development and the plant & animal communities |
