Review Uses of tke Ocean. 



The Earth's Surface Land and Water. 



REVIEW. 



What is the shape of the earth ? Round like a ball. 



What is its size ? The distance around it is about 

 -5,000 miles. 



Of what is the earth's surface mostly composed ? Water. 



Is the water of the ocean salt or fresh ? Salt. 



Mention some of its benefits or uses to people ? 



People sail on it and get fish from it. It supplies rain. 



In what way does it supply rain ? 



The heat of the sun changes some of it into vapor ; the 

 air lifts the vapor , the winds blow the vapor or clouds over 

 the land, and cool air changes- it back into drops of water. 



