Does the earth we live on have boundaries? Is the shape of the earth round or is it flat?
Materials needed :-A large plastic ball,Marker pen,Cutting blade
Experiment Method:-Take a big plastic ball and imagine it as the earth and mark a square on it and cut it out as our area....
Observation:-A small section cut from the larger spherical shape appears to have boundaries
Conclusion:-The earth is a very big sphere. What we can see from the earth is a very small area of the earth. A very small part of a very large sphere appears flattened.
Who was the sailor who proved that the earth is round?
Ans: Ferdinand Magellan
A miniature model of the earth is Globe. Earth has seas and land. The sea area is more than twice the the size of the land area. Seas are illustrate in blue on the globe. Other colours are indicates the land area.