It is a cone.
A sphere has a total curved surface. A cylinder and a cone have a partial curved surface
One curved surface (that goes round the cylinder) and 2 flat ends
a sphere has no bases and it only has one curved surface
A hemisphere
Get a ball. Draw any closed shape on it. The part inside the curve that you drew is one curved face and that is contained by the surface of the ball which is the other curved face.
6
It is a cone.
A cone would fit the given description
A sphere has just one curved face.
A cylinder. Technically, the curved surface of a cylinder is not called a face, only the flat surfaces, so a cylinder has 2 faces and one curved surface.
A sphere has one surface that's also curved and has no base.
A sphere has a total curved surface. A cylinder and a cone have a partial curved surface
One curved surface (that goes round the cylinder) and 2 flat ends
One if it is solid, two if it is hollow
a sphere has no bases and it only has one curved surface
A hemisphere