Geometry: 3D Shapes

Riddle: What is a shape that looks like a party hat?

What is the shape in this picture?

What is the 3D shape of a book?

Riddle: I have 6 flat faces and they are all the same size. What am I?

What is the name of this shape in the picture?

True or False: A cube is a 2D shape.

Which one of these 3D shapes do not have edges?: Rectangular Prism, Triangular Prism, Sphere

Riddle: I am a 3D shape with 1 flat face, 1 curved edge and no vertices. What am I?