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Ch. 2 Vocab.
Term | Definition |
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Weather. | The condition of the bottom layer of the earth's atmosphere in one place over a short period of time. |
Climate. | The term used for the weather patterns that an area typically experiences over a long period of time. |
Rotation. | The spinning motion of the earth, like a top on its axis, as it travels through space. |
Revolution. | One complete orbit of the earth around the sun. The earth completes one revolution every 365 1/4 days, or one year. |
Solstice. | Either of the two times a year when the sun appears directly overhead at the Tropics of Cancer and Capricorn. |
Equinox. | Either of the two times each year (spring and fall) when day and night are nearly equal length everywhere on Earth. |
Precipitation. | All the forms of water that fall to earth from the atmosphere, including rain and snow. |
Front. | The boundary between two masses of air that differ in density and temperature. |
Continental climate. | The type of climate found in the great central areas of continents in the Northwestern Hemisphere; characterized by cold, snowy winters and warm or hot summers. |
Ecosystem. | The interaction of plant life, animal life, and the physical environment in which they live. |
Biome. | The term used to describe a major type of ecosystem that can be found in various regions throughout the world. |
Deciduous. | Leaf-shedding; a type of tree that sheds its leaves during one season. |
Coniferous. | Cone-bearing; a type of tree able to survive long, cold winters, with long, thin needles rather than leaves. |
Chaparral. | A type of natural vegetation that is adapted to Mediterranean climates; small evergreen trees and low bushes, or scrub. |
Savanna. | A tropical grassland with scattered trees, located in warm lands near the Equator. |
Herbivore. | A plant-eating animal. |
Carnivore. | A meat-eating animal. |
Prairie. | A temperate grassland characterized by a great variety of grasses. |
Tundra. | A dry, treeless plain where temperatures are always cool or cold and only specialized plants can grow. |
Permafrost. | A layer of soil just below the Earth's surface that stays permanently frozen. |