Overhead Projector (OHP) in Education.

Overhead projector (OHP).

An overhead projector is a device of A-V tool, which is uses in teaching. It is a effective teaching tool which comes after the blackboard. It has a bright screen that is use in a dim lighted room. In the board we can draw the picture and diagram. The students can take notes easily while represent the topic.

It is a projected aid. This is a simple projector compare of other projectors. The overhead projector is use to effective teaching learning activity.

Purposes of OHP.

• To give detail concept of the topic.
• For meaningful learning.
• To capture the audience interest.
• The teacher can carry their own notes in the form of transparencies to the classroom.

Points to be remembered while using OHP.

• Place the screen above the head of the learner.
• The screen should be full view for the all learner.
• Use the proper light while present the OHP.
• Transparency is a 10×10 inches sheet with either printed or hand written material.

Points to be remembered while preparing transparencies.

• Arrange the picture and diagram related to the topic.
• Writing style should be simple.
• Emphasize on the important points.
• Focuses on the idea each transparency.
• Use color pencils for effective.

Advantages.

• It is improve the students observation and cognitive skills.
• OHP observe all over the class.
• Through the OHP we can represent the picture or diagram.
• OHP learning is promotes students interest.
• Students can easily understand the topic.

Disadvantages.

• It requires good hand writing and a time consuming process.
• It is expensive to buy the overhead projector.
• Teachers mobility might get restricted while using OHP.

See Notes on-

• Flashcards for Studying! Advantages and Disadvantages.
• Advantages and Disadvantages of Bulletin Board.
• Graphic aids in Teaching! Advantages and Disadvantages.