|
DESCRIPTION AND USE OF PLAN-CINEMATIC MODEL
Basic model of motor
(piston) mechanism, way of turning rectilinear movement of piston
into a circular movement of crossbar, has to be demonstrated to
pupils if we want to content principle of gradualness during the
teaching process. Pupils are able to learn about names of
particular elements of piston mechanism, basic concepts like
outside and inside “dead phys“ are. During the procedure of
explanation of exchange of velocity and acceleration of piston a
special foil is placed ( picture number 3 ). These diagrams are
painted on transparent foil by colors. Foil with graphic vector
analyses and it’s components will also be demonstrated for
explanation of motor mechanism / picture number 4 /. Determination
of velocity which also is determined by vectors could also be
solved by colors. Very important thing is to express the fact that
in some cases is impossible to demonstrate particular processes
visually during the teaching process.
Example for this
theory is unit about “cog-wheels”. Plan cinematic model following
characteristics ; miniature dimensions (200 X 200 or 200 X 150mm )
it’s manufacture is very cheap, easy and it needs minimal storage
place.
Using of
technique of projection and overhead projector enables enlarging
of determined dimensions of pictures on linen projecting.
According to this overhead projector become more functional.
SPECIAL ASPECTS
OF USING PLAN CINEMATIC MODEL
Using of plan cinematic model enables more effective
communications between teacher and pupils. |
