Types of Projected Visual Aids
Types of Projected Visual Aids
Types of Projected Visual Aids
Advantages:
stimulates attention
arouses interest
clarifies information
helps students retain knowledge
introduces topics/subject
Reviews instructional problems
Facilitates cooperative students-teacher
participation in problem solving
- When one makes a presentation using
PowerPoint, the presentation is made up of a
series of slides. A slide is a single page of a
presentation created with software such a
PowerPoint
Advantages :
Attracts attention
Arouses interest
Assists in lesson development
Tests students understandings
Reviews instruction
Facilitates students-teacher participation
Do Don’t
• Use a big enough font ( minimum • Make it so small that one can hardly
20 pt.) read it
• Keep the background simple • Use an elaborate background image
• Use animation when suitable • Overdo the animation for it gets
sidetracking
• Make things visual • use endless slides of bulleted lists that
all look identical
- It is a continuous strip of film composed of
individual frames or pictures arranged in
sequence with descriptive titles.
Advantages :
It is not difficult to develop and convenient to
handle and carry.
It does not consume much space and not difficult
to store.
It helps in maintaining the logical sequence of
the lesson and pictures may be flashed on the
screen for a longer period of time.
It is available both in black and white.
- It is an opto-mechanical device that allows
viewing of photographic slides. It has four key
elements: a fan-cooled electric incandescent
light bulb or other light source reflector,
“condensing” lens to direct the light to the
slide, slide holder, and focusing lens.
Photographic slides: both black and white and
colored slides.
Handmade slides: can be made with acetate sheet,
cellophane, etched glass, plain glass or lumarith
acetate
Advantages:
Requires only filming, processing and mounting
Results in colorful, realistic reproduction of original
subject
Easy to revise and up-date
Easily handled, stored, and re-arranged for various
uses
Can be combined with tape narration
May be adapted to group or individual use
- A video projector that utilizes tiny, bright
cathode ray tube to project images.
Advantages:
Last for longer period of time; keep its
brightness up to 10,000 hours
Can accurately project images up to 1920 x 12
with precise color reproduction
Quick response time and hardly causes motion
blur when projecting video with really speedy
movements
Hardly projects a rainbow effect
Absoulte ANSI brightness may be achieved