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MSA Review D-F
MSA Review Vocabulary words D-F
| Question | Answer |
|---|---|
| Data: | Collected information which can be quantitative (numerical) or qualitative (descriptive). Factual information used as a basis for reasoning, discussion, or calculation. |
| Decomposer: | An organism that obtains energy from decaying organic material. (See Food chain, Food web, Consumer). |
| Density: | The amount of material an object has in a specific amount of space. |
| Dependent variable: | Factor whose value depends on the change the experimenter makes to the independent variable. It is the effect resulting from the scientific investigation. This quantity is plotted along the y-axis of a graph. |
| Deposition: | Process by which sediments are deposited in a new location. |
| Disease: | A condition of the body in which there is incorrect function due to heredity, infection, diet, or environment. |
| Displacement: | One substance or object moving another substance or object, or taking its place. |
| Diversity of species: | The number of different species present in an area. |
| Ductility: | The ability of a substance to be stretched. |
| Earthquake: | The moving and shaking of part of Earth's crust. |
| Ecosystem: | A group/community of organisms interacting with their environment. |
| El Nino: | A variation in worldwide weather patterns that recurs every three to five years and that is caused by changes in the wind, conditions over the Eastern Pacific Oceans. |
| Electric circuit: | Continuous path that can be followed by charged particles. |
| Electric current: | The flow of charged particles from one place to another. |
| Electrical conductivity: | A property of a mineral to transmit electricity. |
| Electrical energy: | Energy of electrical charges as a result of their position or motion. |
| Electricity: | A general term for the physical phenomena that arises from the interaction of electric charges. |
| Electron: | The negatively charged particle that moves around the nucleus of an atom. |
| Element: | A substance that consists of only one kind of atom and cannot be broken down into simpler parts during a chemical reaction. |
| Energy: | The ability to cause matter to move or change. |
| Energy transformation: | When energy changes from one type to another. |
| Environment: | The physical surroundings of an organism which includes the living and nonliving components. |
| Erosion: | The carrying away of weathered soil, rock, and other materials on the Earth's surface by gravity, water, and wind. |
| Estuary: | A coastal body of water that connects to the oceans so that fresh water from a river mixes with saltwater from the oceans, such as in the Chesapeake Bay. |
| Evaporation: | Change of matter from a liquid state to a gaseous state at a temperature below its boiling point. |
| Evolution: | Changes in species as a consequence of processes such as mutation and natural selection. |
| Expand: | When most substances are heated their molecules move faster and further apart causing them to increase. |
| Extinction: | The elimination of a species (also applicable to levels other than species) due to natural processes or human activity. |
| Faulting: | The process of movement along a break or crack in Earth's crust. |
| Filtration: | Process of separating a liquid and a solid by pouring the mixture through a fine mesh. |
| Flooding: | An overflowing of a body of water onto normally dry land. |
| Fluorescence: | A property of a mineral to glow with certain colors when exposed to an ultraviolet light. |
| Folding: | The process of bending rock layers in Earth's crust. |
| Food: | Scientific: substances that provide carbohydrates, lipids, and proteins as an energy source to organisms. |
| Food chain: | The feeding relationships of species that transfer energy through the organisms in a community. |
| Food web: | The complex interconnection of food chains in an ecosystem. (Compare Food chain) |
| Force: | A push or a pull applied to an object. |
| Fossil: | The remains or imprint of a prehistoric plant or animal. |
| Fracture: | The property of a mineral in which it breaks along rough, jagged surfaces. |
| Fragmentation: | The division of habitats that formerly occupied large, continuous areas into smaller areas by roads, fields, housing developments, and other human activities. |
| Frequency: | The number of repetitions in a given interval of time. |
| Friction: | The force that acts between materials that touch as they move past each other. Friction is caused by irregularities in the surface of objects that are touching. |
| Front: | A boundary between air masses that have different temperatures and humidity. It is usually the site of unsettled weather conditions. |
Created by:
wknopf
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