4. Characteristics of
Improvised
Apparatus
Prepared from material
which is free or low cost and
local
No special skill
required
Material easily
available
Should not be
time consuming
As per chronological and
mental age of student
5. Importance of
Improvised
Apparatus
Economic value – Low cost
Educational value- get
knowledge about principle
behind apparatus
Psychological value-
learning by doing
Recreational value –
Purposeful use of leisure
time
Scientific value- Learn scientific
concept and develop scientific attitude
Social value – work in
team