Have a look around. Can you see any shapes that use straight lines? Can you see any shapes with curved lines? Why not try drawing a picture using only straight lines. A triangle has 3 sides and 3 ...

Ever since Charles Darwin, scientists have assumed species facing the same problem often evolve similar traits. But that’s ...

Faces - A face is a flat surface on a 3D shape. For example a cube has 6 faces. Edges - An edge is where two faces meet. For example a cube has 12 edges. Vertices - A vertex is a corner where ...