aids are charts, diagrams, graphs, maps, flashcards, posters, pictures,
photographs, leaflets, folders, pamphlets, cartoons and comics. They are
two-dimensional materials having no depth which communicate facts, ideas and
relationships clearly through words, lines, drawings, symbols and pictures.
Graphic aids can serve many educational objectives for group teaching of 20 to
30 students. They help to:
Visualise abstract concepts which are difficult
to understand - concepts of size, rate of growth, inner structure of an object
or machine etc.
Reduce the amount of verbal talking and help in
giving clear explanations; visuals in charts, graphs, diagrams and posters, cut
Present the information in a specific and
systematic manner. Since majority of them are formal aids, they have to be very
systematic and organised.
They are also popular
because they are
Comparatively less expensive.
Easy to make as no technical skills are
required. Regular teachers, with some knowledge of drawing and who desire to be
creative can prepare them.
Easy to use. Very special arrangements and
machines are not required.
Easily usable and reusable as they are flat,
Graphic Aids - I
This section includes those graphic aids which have similar principles
of preparation, presentation and storage, and can be employed to do serious
classroom teaching in home science.
A diagram is a visual symbol, made with the help
of lines and geometrical forms without pictorial elements to explain mostly a
process or parts of something. Diagrams can be of many varieties.
The area and shape of objects are shown with an outline, and may be
filled with colours.
Inner parts and their arrangement are shown by cutting an object
It gives a scaled presentation of the design of a plan such as a floor
Parts of a
machine are shown; directions also may be given.
Scientific experiments are explained through this type of diagram.