Earth’s Bodies of Water What are Earth’s bodies of water?
Do Now Write a haiku for lakes
Lesson Essential Question How are bodies of water formed on Earth?
tributary a smaller river that feeds into a larger river
River system a network of a river and its tributaries
drainage basin the land drained by a river system
Streams streams are bodies of water that flow over land in a channel Source or beginning of a stream may be a: melting snowfield glacier overflowing lake
Rivers Broad and deep streams
Africa Nile River world’s longest river
Asia Chang Jiang or Yangtze Water from Chang Jiang is used to grow about 70% of China’s rice crops
Australia Murray River Australia’s longest continuously flowing river
South America Amazon River At its mouth the Amazon empties more than 50 million gallons of water per second into the Atlantic Ocean
North America Mississippi River “Father of Waters” in Algonquian Indian language
Europe Danube River More than 300 tributaries
“first highways” used by explorers, traders and pioneers Important Source Cleaning Drinking Food Transportation Energy Jobs “first highways” used by explorers, traders and pioneers
Lakes Bodies of water surrounded by land Greek word= “hole” Most are formed when water filled a hole or opening in Earth’s surface
How are lakes formed? water filled a hole or opening in Earth’s surface glaciers gouged huge holes and basins in Earth’s surface and deposited water in holes as glaciers melted; during last ice age
How are lakes formed? Rain water collected in huge holes made in other ways Crater Lake= formed in crater of an extinct volcano (western United States) Huge crack in Earth’s surface
Lakes Deepest= Lake Baikal in Russia Lowest lying= Dead Sea between Israel and Jordan Highest= Lake Titicaca in South America
Great Lakes H= Huron O= Ontario M= Michigan E= Erie S= Superior 1/5th of all fresh water on Earth is found in the Great Lakes
Great Lakes Identify the surrounding states
Lake or Sea? Dead Sea Sea of Galilee Caspian Sea Called seas because they contain salt water (Southwest Asia)
Ticket out the Door How are lakes formed?