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Social Studies

Social Studies. Lesson 2 Earth’s Bodies of Water. Do Now. Complete the Anticipation Guide. Chapter 1 Lesson 2. Essential Question What are some different bodies of water and how are they formed?. Vocabulary. tributary river system drainage basin rift reservoir trench current

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Social Studies

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  1. Social Studies Lesson 2 Earth’s Bodies of Water

  2. Do Now • Complete the Anticipation Guide.

  3. Chapter 1 Lesson 2 Essential Question What are some different bodies of water and how are they formed?

  4. Vocabulary • tributary • river system • drainage basin • rift • reservoir • trench • current • tidal wave

  5. Chapter 1 Lesson 2- Vocabulary • Tributary- A smaller river that feeds into a larger river. • River System- A network of a river and its tributaries. • Drainage basin- The land that is drained by a river system.

  6. Chapter 1 Lesson 2- Vocabulary

  7. Chapter 1 Lesson 2- Vocabulary 4) Rift- A long deep valley with mountains or plateaus on either side. 5) Reservoir- a human-made lake

  8. Chapter 1 Lesson 2- Vocabulary Trench- a deep ocean valley

  9. Chapter 1 Lesson 2- Vocabulary Current- a giant stream of ocean water

  10. Chapter 1 Lesson 2- Vocabulary Tidal Wave- a giant ocean wave

  11. Do Now • On the back of your water cycle diagram, tell me the similarities and differences between evaporation and transpiration.

  12. http://www.youtube.com/watch?v=u3QwLYfgwP0&list=PLC76BD77E9FF75375&index=9http://www.youtube.com/watch?v=u3QwLYfgwP0&list=PLC76BD77E9FF75375&index=9

  13. http://www.youtube.com/watch?v=F9Yi4dAzHsc&list=PLC76BD77E9FF75375http://www.youtube.com/watch?v=F9Yi4dAzHsc&list=PLC76BD77E9FF75375

  14. A. The Water We Drink (Make sure you have this copied). 1. Earth’s ocean covers more than 140 million square miles. 2. The Earth’s oceans contain about 97% of all the water on Earth. 3. 99% of the total water supply is unsafe to drink. 4. Earth’s water cycle continuously replaces the supply of fresh water. 5. Most of the water humans use every day, about 80% of it, comes from surface water in freshwater rivers and lakes.

  15. Jigsaw • Read silently first. Take notes on your assigned selection at the bottom of page 3 of your packet. • Streams page 26 • Rivers page 26-27 • Lakes page 27-28 • Earth’s Ocean page 29-30

  16. Jigsaw • Get with your group and compare notes. • Write you final copy on the graphic organizer. • Streams page 26 • Rivers page 26-27 • Lakes page 27-28 • Earth’s Ocean page 29-30

  17. Streams • Streams are bodies of water that flow over land • Streams start in the high grounds such as hills and mountains. • Streams are often formed by melted snowfields and glaciers, or overflowing lakes. • Streams empty into larger water bodies through parts called mouths.

  18. Rivers • Rivers are mostly formed by wide streams or many streams joining together called tributaries. • Rivers are found on every continent of Earth except Antarctica. • The largest river is the Nile in Africa. It is 4,160 miles long. • The Amazon is the largest river system. • Rivers carry away water from land. • Many of the world’s first settlements and civilizations developed along rivers. • Rivers are a valuable source of energy. • Rivers are important for trade and transportation.

  19. Lakes • The word “lake” means “hole” • Lakes are created when water fills a hole or opening in Earth’s surface. • Lakes exist on every continent except Antarctica. • The greatest number of lakes are found in North America and northern Europe. • Lake Baikal is the largest lake in the world • North America has the most lakes in the world. The Great Lakes are the largest. • Lakes can be made by humans who build dams to control rivers. They are called reservoirs.

  20. Ocean • Oceans cover much of the planet. (75%) • The largest is the Pacific, then the Atlantic, Indian and Arctic. • The Pacific is also the deepest. • Oceans have mountain ranges, plains, basins, and valleys. • Iceland is formed from a mountain in the Atlantic. • Ocean currents are caused by winds. They move clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere. • Ocean currents carry hot and warm water. • The pull of the sun and the moon cause tides. • Smaller bodies of water connected to oceans are called gulfs, bays, and seas.

  21. Do Now 10-16-13 • Complete the After Column on your Anticipation Guide. • Answer the EQ • Have your “Water on Earth” (yellow paper from yesterday) ready to be checked. • You are having a short quiz today!!

  22. Summarization Activity • 3 Write 3 facts about rivers and streams. • 2 Write 2 facts about lakes. • 1 Write 1 question you still have about oceans. Label the water cycle diagram.

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