They are large, gray, and wrinkly. And when they do brush their teeth â well, those are 9 pound molars they have to deal with. Now that we have your elephant yearnings out of the way, letâs make some elephant toothpaste and help those guys out. So go call your friends on the elephone and get them ready, this experiment is going to elephantastic fun (groan). 1  Place the plastic bottle in the center of the cake pan.
The biggest pyramid in the world is the Great Pyramid of Giza. Archeologists believe that it was built for Fourth Dynasty Egyptian Pharaoh Khufu and was completed in 2560 BC.
It is the largest archaeological site of a pyramid (temple) in the New World, as well as the largest pyramid known to exist in the world today. The pyramid stands 55 metres (180 ft) above the surrounding plain, and in its final form it measured 400 by 400 metres (1,300 by 1,300 ft).