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Chapter 2
Term | Definition |
---|---|
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 revoltuion 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 of nearly equal length everywhere on earth |
precipitation | All the forms of water that fall to earth from the atomasphere, including rain and snow |
front | The boundary between two masses of air that differ in density or temperature |
continental climate | The type of climate found in the great central areas of continents in the northern Hemisphere; characterize by cold, snowy winters ad warm or hot summers |
ecosytsem | 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 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 scub |
savanna | A tropical grassland with scattered trees, located in the warm lands near the Equator |
herbivore | A plant-eating animal |
carnivore | A meat-eating animal |
prarie | 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 |