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.
The Mesoamerican examples are usually step pyramids with temples on top â more akin to the ziggurats of Mesopotamia than to the pyramids of Ancient Egypt. The Mesoamerican region's largest pyramid by volume â indeed, the largest in the world by volume â is the Great Pyramid of Cholula, in the Mexican state of Puebla.