1. TEACHING TOOL
Research has shown that the percentage of information received from the environment through the five human senses.
Percentages
senses 75
See 15
hear 10
touch, see dan smell

2. There are two main sources of teaching aids. i. Electronic resources
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There are two main sources of teaching aids.
i. Electronic resources
ii. Non-electronic sources

3. Examples of Electronic Resources
Video
LCD projector
Computer
Overhead projector (OHP)

4. Examples of non Electronic Resources
Chart
Drawing
Picture
Statue
Poster

5. Projector Overhed (OHP)
There are many uses OHP, it depends on the creativity of teachers.
Not necessarily transparent materials, but material which is transparent also be displayed with the OHP.
Students and the teacher explains the focus on that which is displayed.
Is the teaching aids and does not replace the role of teachers.

6. Flannel Board
Is an instrument which has been used in teaching and learning in various levels of education.
Widely used around the world.
Easily constructed, inexpensive, lightweight and versatile.
Also used as a helper flip chart.

7. Scanned card Is a simple tool, cheap and easy to use.
There are various types of card scanning, for example, cards, words, syllables, pictures and so forth.

8. Interactive CD
Are devices that are increasingly being used at present.
Easy to use.
The advancement of modern education.
There are many interactive CD on the market, and teachers can develop their own specific software.

9. LCD Projector More sophisticated equipment and modern.
There are many uses and is not limited.
Easy to use and more attractive.
Expensive and require high maintenance costs.

10. The advantages of using teaching aids
Facilitate the process of learning in the classroom.
Provide an environment that is different from the normal teaching.
More interesting and more interested students.
students easy to understand the lesson.
Save time and more effectively.

11. Disadvantages of using teaching aids
Difficult to obtain.
Expensive.
Requires thorough preparation.
Can not be used repeatedly.
Non-durable and easily damaged.