Teaching aids in science Importance Different types- projected , non projected,activity aids

1. TEACHING AIDS IN SCIENCE
Prepared by
Sandhya K Kumar
Assistant professor Physical science
MSc, MEd,NET

2. Teaching aids in science
Audio visual aids assist a teacher in providing
suitable learning experiences to the learner.
Audio visual aids are classified into
projected aids ,non projected aids and activity
aids.

3. Importance of teaching aids
• Teaching aids motivate to students so that
they can learn better.
• Through teaching aids teacher can clarified
the subject matter more easily.
• Increase the vocabulary
• Saves money and time.
• Classroom live and active

4. Projected aids
• OHP - Overhead Projector
• overhead projector is a machine that has a
light inside it and can be used to make the
writing or pictures on a sheet of plastic
appear on a screen or wall.
• Transparencies can be prepared on different
topics.

5. Overhead Projector

6. Slide projector
• slide projector is an instrument equipped
with a powerful light source and carrier for
holding slides of suitable size.
• The teacher can prepare slides and can be
used during the class time.

7. Film strip projector
Film strip is a series of sequenced frames on a
piece of film covering large portion of a
lesson.
One strip may contain 10 to 50 picture frames.
These pictures may constitute a connected
series of sequences or incident.
Some film strips are accompanied by audio
recorded separately. Such a film strip is called
a sound film strip.

8. Film strip projector

9. LCD projector
It is the most advanced and sophisticated
projecting aid. It is used to present a topic in
the classroom or in front of a large audience
The LCD projector has a connection jack's to
interface with the computer and other video
equipments.
we can bring the real well situation on the
classroom by the way of movies and
multimedia effects.

10. LCD projector

11. Non projected aids
• Graphic aids
• Graphs
• Diagrams (drawings)
• Charts – tabular, flow, tree, content, picture
• Display boards
• Blackboard
• Roll up chalkboard
• Bulletin board
• Magnetic board

12. Graphs
Line graph Bar graph Pie graph
Pictorial graph

13. Outline drawing Mass drawing Analytical
drawing
Generalised
drawing
Diagrams

14. Graphical drawing

15. Display boards
• Black board
• Roll-up chalk board
• Bulletin board
• Magnetic board
• Peg board
• Hook and loop board
• Flannel board
• Plastigraph board
• Marker board

16. • Three dimensional aids
• Models
• Objects
• Specimen
• Mock - ups
• Diorama
• Puppets
• Audio aids
• Radio
• Tape recorder

17. Activity aids
• Field trips and excursion
• Exhibition
• Demonstration
• Dramatization
• Museum
• Planetorium
• Live corner
• Science kits
• PowerPoint presentation

18. Thank You