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Physical Geog #1-20
CCS Physical Geography definitions REVIEW #1-20
Question | Answer |
---|---|
A volcano that is erupting. Also, a volcano that is not presently erupting, but that has erupted within historical time and is considered likely to do so in the future. | Active Volcano |
A group or chain of islands clustered together in a sea or ocean. | Archipelago |
Fine particles of pulverized rock blown from an explosion vent. Measuring less than 1/10 inch in diameter, ash may be either solid or molten when first erupted. | Ash |
The shell within the earth, some tens of kilometers below the surface and of undefined thickness, which is a shell of weakness where movements take place to permit pressure adjustments. | Asthenosphere |
A body of rock that contains significant quantities of water that can be tapped by wells or springs. | Aquifer |
The layer of air that surrounds the Earth. | Atmosphere |
A ring (or partial ring) of coral that forms an island in an ocean or sea. | Atoll |
A large mass of material or mixture of material falling or sliding rapidly under the force of gravity. These often are classified by their content, such as snow, ice, soil, or rock avalanches. A mixture of these materials is a debris avalanche. | Bay |
The life layer at and near the surface of the Earth, including both plants and animals. | Biosphere |
A flat-topped rock or hill formation with steep sides. | Butte |
A large bowl-shaped crate formed by the collapse of a volcanic cone after an eruption. It may fill with water creating a lake such as Crater Lake in Oregon. | Caldera |
A deep valley with very steep sides-often carved from the Earth by a river. | Canyon |
A pointed piece of land that sticks out into a sea, ocean, lake or river. | Cape |
A large hole in the ground or in the side of a hill or mountain. | Cave |
A body of water that connects tow larger bodies of water (like the English Channel). It is also a part of a river or harbor that is deep enough to let ships sail through. | Channel |
A steep face of rock and soil. | Cliff |
The land mass on Earth is divided into ___________. There are seven: Africa, Asia, Antarctica, Australia, Europe, North America and South America. | Continent |
Solid, outer layers of the earth, including the rocks of the continents. | Continental Crust |
The raised line of land which separates the streams that flow into one ocean from those flowing into another ocean | Continental Divide |
A large mass of material or mixture of material falling or sliding rapidly under the force of gravity. These often are classified by their content, such as snow, ice, soil, or rock avalanches. A mixture of these materials is a debris avalanche. | Avalanche |