The Earth is Round. 7 



of them for people's enjoyment and welfare, may 

 be obtained by studying geography. 



9. When we look at the sun, moon, and stars, 

 we see they are round ; and if there are people 

 living on the moon now, they would look at 

 this world or earth and see that it too is round 



Blackboard drawing- to show Rotundity of the Earth. With 

 chalk and a cord two feet long- describe an arc as here 

 shown. On the left draw a part of the coast of North Amer- 

 ica, with a lig-hthouse on Newfoundland; on the rig-lit, 

 England, Ireland, and the coasts of Europe and Africa. 

 Prom the top of the lighthouse draw a straight line touch- 

 ing the Arc or Surface of the Earth; then show ships on 

 the Atlantic in different positions, one below the horizon, 

 another partly above, and another wholly above it. The 

 straight line is the Line of Vision to a man in the light- 

 house, and the point where that line touches the arc or sur- 

 face shows the extent of his Horizon. The lighthouse and 

 masts all point from the center of the earth. 



10. How have men proved the earth to be spherical, or 

 round like a ball ? Men have sailed around it as flies travel 

 around an orange ; then, again, the hull, or body of a distant 

 ship coming toward you. is not seen as soon as its topmast. 



Which is the larger body, the sun or moon ? The sun. 

 Why does the sun not look much larger than the moon ? 

 Because it is a great deal further from us than the moon is. 



SPELL AND DEFINE Orange, round, spheri- 

 cal, hull, top-mast, center, geography, lighthouse. 



