1,Lesson 14 Water,2,the earth,3,Look at the green part, What is it?,Its the land.,4,What about the blue part?,Its the water.,5,There is a lot of water on the earth，such as lakes, rivers, seas.,6,All of us know that the 70 percent of the world is water.,7,The earth is a ball filled with water.,8,sea water,9,See water is cold and salty.,10,Fishes,11,Whale,12,Dolphins,13,Water grass,14,In the deep part of the sea, many kinds of living things live in the water.,15,So the sea is a mysterious world.It has many secrets. We can seek for more.,16,See you!,