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MOCK-UPSA mock-up is a replica of an object that may be larger or smaller scale. It is intended to show the essential parts which are made detachable.
ADVANTAGESIt can be constructed buy the
teacher since she knows which part should emphasized. In a mock-up structure of a flower the detachable parts could be the pistil and the stamen.
it is a way of focusing observations on the desired part to be studied as well as the functional relationships of the parts.
DISADVANTAGESIts construction could be time consuming
Since the sizes are exaggerated, the students might be confused when faced with the real object.
It could be costly
GUIDELINES Involve students in building mock-ups Guide the students in the construction
of a mock-ups. Make sure it will truly illustrates the
functional relationship of the parts of the real object.
Prepare a sketch of the desired scale and location of the parts before building it.
REALIA Stands for the real thing that are to be studied like using real insects or plants. They are plentiful in the children’s environment and around the school.
ADVANTAGESReal object are easily available
everywhere.Examining real objects create
concrete learning experiences for the learner.
Real specimens can be handled and observed thoroughly.
DISADVANTAGESSome live animals and plants are
potential hazards.Some are expensiveProblems regarding storage and
retrieval may arise.
GUIDELINESFit the object with the objectives
of the lesson.The students can bring their own
realia from their homes.Students should be encourage to
help in locating and acquiring realia for their classroom use.
VIDEO TAPES/FILMS Films come in the form of 8mm and 16m type. Video tapes can be purchase or rented.
ADVANTAGESMotion pictures easily motivate
children.Movement or sequence of events
can be shown clearly.They are adaptable to large or
small group
DISADVANTAGESChoosing films with the exact content desired may be a problem.
Projection equipment might be expensive for some school.
GUIDELINESIn purchasing or renting, allow
sufficient time in order to have them available when needed.
Preview film to get thoroughly acquainted with its content.
MODELS Models are scaled replicas of real object. When the real thing cannot be used due to their size either too large or too small, replicas are used
ADVANTAGESModels provide motivation and
enhance learning.Oversized objects can be reduced
in size and can be studied in the classroom.
DISADVANTAGESPurchase of models can be costly.If models are built as to scale, it
could be time consumed.
GUIDELINESEmphasize the size of the real
object while being used.Use of moving models can catch
attention and interest easily.
PICTURES These include flat, opaque and still pictures. Photographs or pictures clipped from news paper and magazines are also used. The concepts to be taught could be introduced through pictures.
ADVANTAGESAppropriate pictures that fit the
objectives are easy to obtain.They are often free in the form of
clippings
DISADVANTAGESChoosing right picture can be a
problem for some teacher.Handing of pictures needs so
much care.
GUIDELINESMake sure that the picture that be
used is not outdated.Small pictures are difficult to see.
BOOKS Textbooks and all kind of books are also classified as media or sub-strategies. They contain information, pictures and graphics.
ADVANTAGESBooks are well-written. They
presented acccurate facts and details.
They serve as permanent sources of information. Owning books assures one with available information when needed.
DISADVANTAGESBooks on special contents can be
expensive for someAt one time, the search for
information can be limited to only one or two readers.
GUIDELINESCultivate the love for books among children age.
Assist them in understanding some facts cited especially the new figures.
ELECTRONIC MATERIALS A lot of materials are now available for teaching-learning – CDs, DVDs CD-ROMS and the internet. While these are developments in the field of educational technology, it does not mean that all these that came before like textbooks have become obsolete. You will have a more lengthy discussion of these electronic materials in your two courses on educational technology.