The document is an educational module for 4th-grade students about the five human sense organs: eyes, ears, nose, tongue, and skin. It explains their functions, including sensations of touch and taste, and highlights the importance of distinguishing between good and bad touch, particularly in relation to safety. Additionally, it introduces braille as a reading system for the visually impaired, developed by Louis Braille.

1. Topic: Sense Organs
Class: 4th
Medium: English
Let’s start module
1
Programmed Instructional material

2. Objectives
At the end of this module you will be able to-
• Learner will be able to recall the concept of
sense organs
• Learner will be able to know about good and
bad touch
• Learner will be able to know about the Braille
Let’s start module
2

3. SENSE ORGANS
• Sense organs help us to feel our surroundings. Human
beings have five sense organs-eyes, ears, nose, tongue and
skin.
• The eyes helps us to see and we read books, watch,
observe the beautiful nature with our eyes.
• Ears helps us to hear, we can hear voices and enjoy music
with our sense of hearing .
• We have a tongue and we can taste with help of it.
• We have taste buds on our tongue which tells us about
different tastes like sweet, sour, salty and bitter.
• The skin helps us to feel different things .
• The sense of touch helps us to tell about different objects.
• Skin has numerous nerve endings located underneath
which helps in sending messages to the brain.
Lets answer some questions
3

4. • Nerve endings also tells us whether the touch was
smooth, rough, hot or cold.
• There are different types of touch and we should be
aware of the good and the bad touch. The touch of a
mother is a good touch because it gives us a feeling of
safety and comfortable whereas the touch of a stranger
is a bad touch and if it is not comforting we should tell
our teacher or parents.
• We all should help differently abled people to lead a
normal life. They do not need our sympathy whereas
they need our empathy.
• Braille script was developed by Louis Braille in 1821.
• It comprise of a combination of raised dots so that one
can feel it with hands to read.
Lets answer some questions
4

5. Q1: Which of there is not a sense
organ?
-Eye
-Ear
-Heart
-Skin
5

6. Oops! Wrong Answer
Click Here to attempt the question again
Human beings
have five sense
organs : eyes,
ears, tongue,
skin and nose
6

7. Oops! Wrong Answer
Click Here to attempt the question again
HINT:
7
Human beings have five sense organs : eyes,
ears, tongue, skin and nose.

8. Congratulations you have selected
Right Answer!
Click Here to go the next question…
8

9. Q2:We feel things with our
-Eyes
-Skin
-Nose
-Tongue
9

10. Oops! Wrong Answer
Click Here to attempt the question again
Ears helps
to listen
10

11. Oops! Wrong Answer
Click Here to attempt the question again
Hint!
Ears helps to listen , nose helps smell, tongue
helps to taste.
11

12. Congratulations you have selected
Right Answer!
Click Here to go the next question …
12

13. Q3: Our skin has million of :
-Nerve endings
-Skin endings
-Blood Cells
-Micro fibrils
13

14. Oops! Wrong Answer
Click Here to attempt the question again
Hint!
14

15. Oops! Wrong Answer
Click Here to attempt the question again
Hint!
15
The skin helps us to feel different things .
The sense of touch helps us to tell about
different objects.

16. Congratulations you have selected
Right Answer!
Click Here to go the next question …
16

17. Q4: We should stay away from:
-Good touch
-Bad touch
-School
-None
17

18. Oops! Wrong Answer
Click Here to attempt the question again
Hint!
18

19. Oops! Wrong Answer
Click Here to attempt the question again
Hint!
The touch of a mother is a good touch because it
gives us a feeling of safety
19

20. Congratulations you have selected
Right Answer!
Click Here to go the next question …
20

21. Q5: Braille is a :
-Script
-message
-sense organ
-touch
21

22. Oops! Wrong Answer
Click Here to attempt the question again
Hint!
22

23. Oops! Wrong Answer
Click Here to attempt the question again
Hint!
23
Braille comprises of a combination of raised
dots so that one can feel it with hands to read.

24. Congratulations you have selected
Right Answer!
Click Here to know your score…
24

25. Congratulations you have Scored 50
marks!
25