The Human Body: The Mouth, Tongue and Lips and Their Uses Primary 4 (Basic 4) Third Term Week 10 Basic Science and Technology

THE HUMAN BODY: THE MOUTH – THE TONGUE AND THE LIPS AND THEIR USES PRIMARY 4 (BASIC 4) THIRD TERM WEEK 10 BASIC SCIENCE AND TECHNOLOGY

BASIC SCIENCE AND TECHNOLOGY

THIRD TERM

WEEK 10

PRIMARY 4 (BASIC 4)

THEME – UNDERSTANDING OUR SYSTEM

PREVIOUS LESSON – Digestive System: Digestion, Digestive Organs and Importance of Food Digestion to Human Health Primary 4 (Basic 4) Third Term Week 9 Basic Science and Technology

TOPIC – THE MOUTH

LEARNING AREA

1. Introduction

2. The Mouth: The Tongue and The Lips

3. Care of the Mouth

4. Weekly Assessment: Test Questions and Answers/Assignment

5. Summary

LEARNING OBJECTIVES

By the end of the lesson, pupils should be able to:

1. Identify the mouth as an important part of the human body.

2. Describe the tongue and the lips.

3. State the uses of the tongue.

4. State the uses of the lips.

5. Explain the importance of proper care of the mouth.

ENTRY BEHAVIOUR

Pupils have previously learned about the digestive system, especially how digestion begins in the mouth.

This lesson builds on that knowledge by helping pupils understand that the tongue and lips are important parts of the mouth that help in eating, tasting food, speaking, and starting the process of digestion.

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of:

1. Chart of the human mouth

2. Diagram showing the tongue and lips

3. Mirror

4. Pictures of the mouth

METHOD OF TEACHING

Choose a suitable and appropriate methods for the lessons.

Note – Irrespective of choosing methods of teaching, always introduce an activities that will arouse pupil’s interest or lead them to the lessons.

REFERENCE MATERIALS

1. Scheme of Work

2. 9 – Years Basic Education Curriculum

3. Course Book

4. All Relevant Material

5. Online Information

CONTENT OF THE LESSON

INTRODUCTION

The mouth is one of the most important parts of the human body. It helps us eat, speak, taste food, and communicate with others. Two important parts of the mouth are the tongue and the lips.

LESSON 1 – MEANING OF THE MOUTH

The mouth is the opening through which food enters the body and speech is produced.

1. The Tongue

The tongue is a soft muscular organ found inside the mouth.

Uses of the Tongue

It helps us taste food.

It helps in chewing and swallowing food.

It jelps in speaking and pronunciation of words.

It helps move food around the mouth during chewing.

2. The Lips

The lips are the soft movable parts that form the opening of the mouth.

Uses of the Lips

They help in speaking clearly.

They help hold food and water in the mouth.

They help in sucking and drinking.

They protect the mouth from dirt and injury.

They help in facial expression and communication.

LESSON 2 – CARE OF THE MOUTH

1. Brush the teeth regularly.

2. Rinse the mouth after meals.

3. Avoid eating dirty food.

4. Visit the dentist when necessary.

5. Avoid putting dirty objects into the mouth.

LESSON 3 – WEEKLY ASSESSMENT: TEST QUESTIONS AND ANSWERS/ASSIGNMENT

A. Answer the Questions

1. What is the mouth?

2. What is the tongue?

3. What are the lips?

4. Mention three uses of the tongue.

5. Mention three uses of the lips.

B. Fill in the Blanks

6. The tongue helps us to ______ food.

7. The lips help us in ______ clearly.

8. The mouth is used for eating and ______.

9. The tongue helps in ______ food during chewing.

10. We should brush our ______ to keep the mouth clean.

C. True or False

11. The tongue is found inside the mouth. ______

12. The lips help in speaking. ______

13. The tongue has no role in tasting food. ______

14. The lips help to protect the mouth. ______

15. The mouth is used only for eating. ______

D. Matching

Match the body part with its function:

16. Tongue → A. Helps in speaking clearly

17. Lips → B. Helps in tasting food

18. Mouth → C. Used for eating and speaking

19. Tongue → D. Helps move food in the mouth

20. Lips → E. Helps in drinking and eating

ANSWER KEYS

1. The mouth is the opening used for eating and speaking.

2. The tongue is a soft organ inside the mouth.

3. The lips are the soft outer parts of the mouth.

4. Tasting food, speaking, swallowing, moving food (any three).

5. Speaking, eating, drinking, protecting the mouth (any three).

6. taste

7. speaking

8. speaking

9. moving

10. teeth

11. True

12. True

13. False

14. True

15. False

B. Helps in tasting food

16. A. Helps in speaking clearly

17. C. Used for eating and speaking

19. D. Helps move food in the mouth

20. E. Helps in drinking and eating

SUMMARY

In this lesson, pupils learned that the mouth is an important part of the human body used for eating, speaking, and starting digestion.

They also learned that:

The tongue is a soft organ inside the mouth that helps us to taste food, move food while chewing, swallow food, and speak clearly.

The lips are the soft outer parts of the mouth that help in speaking, eating, drinking, and protecting the mouth.

Pupils were also taught the importance of keeping the mouth clean by brushing teeth and avoiding dirty objects.

PRESENTATION

To deliver the lesson, the teacher adopts the following steps:

1. The teacher asks pupils to open their mouths and observe their tongues and lips in a mirror.

Pupils’ Activities: The pupils observe and identify the parts.

2. The teacher introduces the topic: The Mouth, Tongue and Lips.

Pupils’ Activities: The pupils repeat the topic.

3. The teacher explains the meaning of the mouth as the opening used for eating and speaking.

Pupils’ Activities: The pupils listen attentively.

4. The teacher shows a chart of the mouth and points out the tongue and lips.

Pupils’ Activities: The pupils identify the parts on the chart.

5. The teacher explains the meaning of the tongue and its uses (tasting, speaking, swallowing, and moving food).

Pupils’ Activities: The pupils mention the uses after the teacher.

6. The teacher explains the meaning of the lips and their uses (speaking, eating, drinking, and protection).

Pupils’ Activities: The pupils listen and give examples.

7. The teacher guides pupils to demonstrate how the tongue and lips help in speaking and eating.

Pupils’ Activities: The pupils participate in the demonstration.

8. The teacher discusses how to care for the mouth by brushing teeth and keeping it clean.

Pupils’ Activities: The pupils respond and ask questions.

9. The teacher summarizes the lesson by revising the tongue, lips, and their uses.

Pupils’ Activities: The pupils answer oral questions.

10. The teacher evaluates pupils through simple questions and corrections.

CONCLUSION

To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson.

NEXT LESSON

The Human Body: The Teeth and Types of Teeth Primary 4 (Basic 4) Third Term Week 11 Basic Science and Technology

LESSON EVALUATION

Teacher asks pupils,