Post on 31-Dec-2015
transcript
Chapter 1,Section 4Pages 39-42
Landforms and Waterways
• Mountains: towers of rock formed by the collision of the earth’s tectonic plates or by volcanoes
• World’s tallest mountain: Mount Everest• It is located in the Himalaya mountains in Asia
• Plains: low-lying stretches of flat land; usually stretch from the middle of a continent to the coast
• Plateau: flat, but high elevation
• Valley: lay between mountains and hills; long stretch of land lower than the land on either side
• Canyons: steep-sided lowlands; rivers have cut through a plateau
Another example of a canyon
Trenches: deep valleys in the ocean floor; lowest spots in the earth’s crust
Why do people decide to live in a particular area?
• Climate: Temp. and Rainfall
• Availability of Resources: freshwater, grow food, catch fish, raise animals
Bodies of Water
• 70 % of earth’s surface is water; mostly saltwater
• Strait: narrow body of water between two bodies of water
• Channel: wider passage than a strait
• The point at which a river originates/begins is called its source; usually high in the mountains
• The mouth of a river is where it empties into another body of water
Another example of a mouth of a river