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Science Concepts
study vocabulary
Term | Definition |
---|---|
Delta | a nearly flat plain of alluvial deposit between diverging branches of the mouth of a river. |
Foliated | composed of or separable into layers. |
Non-Foliated | metamorphic rocks are formed around igneous intrusions where the temperatures are high but the pressures are relatively low and equal in all directions (confining pressure). |
Moraine | an accumulation of earth and stones carried and finally deposited by a glacier. |
Artesian Well | a well in which water is under pressure; especially : one in which the water flows to the surface naturally. |
Hydrologic Cycle | a conceptual model that describes the storage and movement of water between the biosphere, atmosphere, lithosphere, and the hydrosphere. |
Stellar Nebula Theory | also known as the nebular hypothesis, is the most widely accepted model explaining the formation and evolution of our solar system. |
Guyot | a seamount with a flat top. |
Island Arc | a type of archipelago, often composed of a chain of volcanoes, with arc-shaped alignment, situated parallel and close to a boundary between two converging tectonic plates. |
Anthracite | a hard, compact variety of coal that has a high luster. It has the highest carbon content, the fewest impurities, and the highest calorific content of all types of coal, which also include bituminous coal and lignite. |
Bituminous | coal or black coal is a relatively soft coal containing a tarlike substance called bitumen. It is of higher quality than lignite coal but of poorer quality than anthracite. |