Jocy ross de guzman

1. Maximizing the Use of Overhead
Projector and the Chalkboard

2. Written words fall into this category. It may be a
word for a concrete object(book), an
idea(freedom), a scientific principle (the principle
of balance),or a formula (e=mc2)

3. Except in extremely deprived
classrooms, every classroom has a
chalkboard

4. Blackboard
Chalk

10.  Opaque Projector – A
projector using reflected
light for projecting an image
of an opaque object or
matter on an opaque support

11.  Slide Projector is a specialized
projector which has been
designed to be used with slides.
Slides are small transparencies
mounted in study frames which
are ideally suited to
magnification and projection

12. Overhead projectors typically
consist of a large box containing
a very bright light-source, a fan
for cooling the box, and a large
lens that focuses the light

13. LCD (liquid crystal display)
projectors are as different from
overhead and opaque projectors
as a spaceship is different from
a car.

14. Slide Projector Opaque Projector
Overhead Projector Lcd Projector