A cone is a 3D shape with 2 faces and one edge A sphere is a 3D shape. It has one continuous face and no edges A cylinder is a type of prism. It has 3 faces and 2 edges The volume of a cone is ...

Piling up: this image shows water flowing from left to right past a partially submerged sphere. A pile up of water is clearly seen to the immediate left of the sphere. (Courtesy: Harris Lab) ...