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RL-Chpt. 1
World Geography
| Question | Answer |
|---|---|
| elevation | height above sea level |
| plain | low-lying stretches of flat or gently rolling land |
| plateau | flat areas of land but have a higher elevation than a plain |
| isthmus | a narrow piece of land that connects two larger pieces of land |
| peninsula | a piece of land with water on three sides |
| island | a body of land smaller than a continent and completely surrounded by water |
| continental shelf | an underwater plateau that lies off the coast of a continent |
| trench | deep valleys that line the ocean floor and are the lowest spots in the Earth's crust |
| strait | a narrow body of water between two pieces of land |
| channel | a wider body of water between two pieces of land |
| delta | soil and sand built up at the mouth of a river |
| Core | center of the earth made of hot iron mixed with other metals and rock |
| mantle | a layer of rock surrounding the core made of rock and magma |
| crust | uppermost layer of the earth that includes the ocean floors and the seven continents |
| continent | massive land areas |
| plate tectonics | theory to explain the earths structure which states that the earth's crust is not an unbroken shell but consists of plates that move |
| earthquake | violent and sudden movement of the earth's crust |
| tsunami | huge waves caused by undersea earthquakes |
| fault | cracks in the earth's crust |
| weathering | process of breaking surface rock into boulders, gravel, sand and soil |
| erosion | the process of wearing away or moving weathered material |
| glacier | giant, slow-moving sheets of ice |
| geography | the study of the earth in all its variety |
| land form | individual features of land such as mountains or valleys |
| Global Positioning System | a group of satellites that travel around the earth used to label exact positions or places on a map |
| geographic information system | special computer software used to collect different kinds of information |
| artifact | tools, pottery, paintings and other items left behind by past societies |
| fossil | human remains |
| environment | natural surroundings |
| solar system | made up of the sun and nine planets |
| orbit | path a planet travels around the sun |
| atmosphere | layer of air surrounding the earth that supports life |
| axis | imaginary line that runs through the earth's center between the North and South Poles |
| revolution | 365 1/4 days or one complete orbit around the sun |
| leap year | a year that contains one extra day which occurs every four years |
| summer solstice | day, in the northern hemisphere with the most hours of sunlight and fewest hours of darkness |
| winter solstice | day, in the northern hempisphere with the fewest hours of sunlight |
| equinox | when day and night are of equal light in both hemispheres |
Created by:
lamoureuxr
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