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The still image: from the overhead projector to the power-point - Coggle…
The still image: from the overhead projector to the power-point
The still image and teaching use
The images are motivating, sensitize and stimulate the interest of students towards a certain topic.
Facilitate instruction, complementing verbal explanations with content
They require a global processing of the information they contain, and can produce a
emotional impact that generates feelings and attitudes.
Advantages and disadvantages of using the overhead projector in the classroom
The devices with which the sound media are managed are cheap, manageable and easy to use.
They provide verbal support or musical background to the images in the montages
audiovisual
Multiple materials are available and usable with simple equipment
Recordings of music, literature, sounds of nature, documents.
Didactic materials for the study of languages.
Educational and training radio programs ...
To manage its operation, the teacher generally has the following controls:
The overhead projector: technical operation.
The appliance's power switch, which activates the fan.
To manage its operation, the teacher generally has the following controls
The halogen bulb switch, which provides the light source.
Adjusting the tilt of the mirror to adjust the image on the screen or wall.
Focusing, which is usually done by means of a wheel that moves the system closer or further away
optical projection to transparency.
Focusing, which is usually done by means of a wheel that moves the system closer or further away
optical projection to transparency.
Advantages of its use
Transparencies allow diagrams and images to be projected onto a screen
They are an ideal medium for teaching large groups
The teacher can face the students during their explanations
Principles of transparency design. How is it made and how is a transparencies used
Like the transparency projector, it should be permanently located in the
large group room as it is a heavy apparatus difficult to transport
To manage its operation, the teacher generally has the following controls:
The appliance's power switch, which activates the fan.
The halogen bulb switch, which provides the light source.
Adjusting the inclination of the feet of the apparatus to adjust the image on the screen or
Wall