# Identify Properties of 3D Shapes

## Key vocabulary of 3D shapes

- A face is a flat 2D shape.
- An edge is where two faces meet.
- A vertex is a corner.
- A prism is a 3D shape that’s cross section is the same throughout. Eg:

- The circle is the cross section of a cylinder.
- The ‘L’ shape is the cross section of this prism.