Amy Richardson CECS

Definition: An opening in the earth, through which lava, rock, and gases are forced out Volcanoes in the U.S. are found mainly in Hawaii, Alaska, California, Oregon and Washington. There are more than 500 active volcanoes in the world Mount St. Helens Menu

Definition: body of salt water larger than a sea The Earth contains 5 oceans: the Arctic, Atlantic, Indian, Pacific, and Southern. The ocean’s water covers over 70% of the Earth The ocean’s average depth is 12,175 ft!! Menu

Definition: highest kind of land Mount Everest is the highest mountain in the world. The two main mountain ranges in the U.S. are the Appalachians in the east and the Rockies in the west Mountain Adventure Story Menu

Definition: Large stream of water that flows across the land The longest river is the Nile The largest river is the Amazon One important river in America is the Mississippi Can you name any other rivers??

Definition: Flat-topped mountain with steep sides Means table in Spanish Made up of layered rocks Mesa Verde National Park Menu

Definition: large ice mass that moves slowly down a mountain or across land Can be found on every continent Two types: 1. alpine glaciers that are found in mountains and 2. continental glaciers that cover large parts of a continent Pieces break off into the ocean to form ice bergs Menu

Definition: area of flat or gently rolling low land The two largest landforms in America are the Costal Plains and the Interior Plains. Costal Plain: mostly flat and lies along a large body of water Interior Plains: most of the land between the Appalachian and Rocky Mountains. Mostly flat with forests and prairies Build your own prairie!! Menu

Definition: area of land completely surrounded by water The large islands in America are the Hawaiian Islands and Long Island Islands are often created by volcanos beneath the surface of the ocean. Menu

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people.unt.edu Harcourt Horizons United States History Book