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delta | A ridge of sand created by the wind; found in deserts or near lakes and oceans. | | A ring-like coral island and reef that nearly or completely encloses a lagoon. | | dry land that receives very little rainfall and has little vegetation. | | Sand, clay, and sediments that are deposited at the mouth of a river. These usually form in a triangular shape where a river flows into a body of standing water. |
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fjord | Mountains, volcanoes, plains, plateaus, and other physical features on Earth's surface. | | A strip or piece of land that sticks out into a body of water. | | A long narrow inlet of the sea between steep cliffs; common in Norway. | | These are Earth's largest landforms and can form when two plates move towards each other by volcanic activity or by erosion. |
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archipelago | A large, natural hole in the ground or in the side of a hill or mountain. | | A large mass of ice that moves very slowly through a valley or down a mountain. | | A high, steep face of rock. | | A chain or set of islands grouped together |
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plain | wet, spongy land with abundant plant life. Often home to alligators. | | A large flat-topped but steep-sided landform found in western portions of the U.S., but not in the East. The name is Spanish for "table." | | part of an ocean or sea that extends into a land mass. A large one exists south of the U.S. and east of Mexico. | | A wide, fairly flat expanse of treeless country. Good land for farming or raising cattle. |
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atoll | a natural stream of water that flows to the ocean. | | Areas of permanently frozen subsoil that support only low-growing vegetation. The land here is cold and does not support the growth of trees. | | A ring-like coral island and reef that nearly or completely encloses a lagoon. | | A wide, fairly flat expanse of treeless country. Good land for farming or raising cattle. |
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lake | A deep valley with high, steep slopes. It often has a stream running through it. There is a grand one in the western U.S. | | narrow neck of land connecting two larger land areas. Canals are often cut through them to allow boats to cross to the other side. | | a large, inland body of standing water. | | A lowland area between hills, mountains, or higher lands. This is often long and narrow with a river flowing on the bottom. |
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lagoon | A vent or hole in the surface of the Earth. When this erupts, it may release gases that come from the inside of the Earth. | | one of the seven very large land masses of the world. | | A shallow body of seawater located along a coast surrounded by a narrow strip of land. Past this narrow strip of land is the ocean. | | A body of water partially enclosed by land but with access to the sea. |
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swamp | A portion of land surrounded on three sides by water. | | A chain or set of islands grouped together | | wet, spongy land with abundant plant life. Often home to alligators. | | a large, inland body of standing water. |
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volcano | a tract of grassland | | A vent or hole in the surface of the Earth. When this erupts, it may release gases that come from the inside of the Earth. | | A shallow body of seawater located along a coast surrounded by a narrow strip of land. Past this narrow strip of land is the ocean. | | Sand, clay, and sediments that are deposited at the mouth of a river. These usually form in a triangular shape where a river flows into a body of standing water. |
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bay | A flat area of land that is higher than the surrounding land. | | a large body of salt water. The earth contains four that together cover 75% of our planet's surface. | | A long narrow inlet of the sea between steep cliffs; common in Norway. | | A body of water partially enclosed by land but with access to the sea. |
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mesa | part of an ocean or sea that extends into a land mass. A large one exists south of the U.S. and east of Mexico. | | A small piece of land surrounded by water. | | A long narrow inlet of the sea between steep cliffs; common in Norway. | | A large flat-topped but steep-sided landform found in western portions of the U.S., but not in the East. The name is Spanish for "table." |
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dune | A body of water partially enclosed by land but with access to the sea. | | Sand, clay, and sediments that are deposited at the mouth of a river. These usually form in a triangular shape where a river flows into a body of standing water. | | A ridge of sand created by the wind; found in deserts or near lakes and oceans. | | a large body of salt water. The earth contains four that together cover 75% of our planet's surface. |
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