The making of Science diagrams is an art. The good and neat diagrams have a good impression on the mind of examiner. It can help the student to score good marks in science. So always make diagrams with sharp pencil only.

Label the diagram with neat and clean handwriting.

Donot over right on the diagram.

Do not rub again and again.

The diagram must be in good space not clumsy. 

Do not make the diagrams with pen.