PRIMARY 3: AGRIC SCIENCES – SECOND TERM | WEEK 6

TOPIC: UNBALANCED DIET

A: TEACHING AND LEARNING MATERIALS

1. Pictures of different meals.
2. Food charts.
3. Flashcards.
4. Pictures showing healthy and unhealthy eating habits.
5. Pupils’ writing materials.

B: REFERENCE MATERIALS

1. Scheme of work.
2. Recommended Agric Sciences textbook for Primary 3.
3. Online educational resources.

C: PREVIOUS KNOWLEDGE

The pupils have learnt the meaning and importance of a balanced diet and can identify some healthy meals.

D: PERFORMANCE OBJECTIVES

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

1. Explain unbalanced diet.
2. Mention causes of an unbalanced diet.
3. State some effects of an unbalanced diet.
4. Distinguish between balanced and unbalanced meals.
5. Suggest ways of preventing an unbalanced diet.

E: CONTENT

Meaning of Unbalanced Diet

An unbalanced diet is a meal that does not contain all the needed food nutrients in the right amounts. For example, eating only rice every day without vegetables, protein or fruits is not a balanced diet.

Causes of an Unbalanced Diet

An unbalanced diet may result from:

1. Eating only one type of food.
2. Eating too much of one class of food.
3. Not eating enough fruits and vegetables.
4. Not eating enough protein foods.

Effects of an Unbalanced Diet

It may cause:

• Weakness.
• Poor growth.
• Sickness.
• Lack of energy.
• Poor body development.

Prevention

We can prevent an unbalanced diet by:

1. Eating different types of food.
2. Including fruits and vegetables.
3. Eating protein foods.
4. Drinking enough clean water.

F: LESSON PRESENTATION

F1: Teachers’ Activities

1. Revises balanced diet.
2. Introduces unbalanced diet.
3. Shows examples of balanced and unbalanced meals.
4. Discusses causes.
5. Explains possible effects.
6. Guides pupils to suggest healthy meals.

F2: Pupils’ Activities

1. Explain unbalanced diet.
2. Identify unbalanced meals.
3. Mention causes.
4. State possible effects.
5. Suggest ways of eating better meals.

G: CONCLUSION

The teacher reminds pupils that eating different healthy foods helps the body to receive all the nutrients it needs.

H: EVALUATION GUIDE

Pupils should be able to answer the following questions:

1. What is an unbalanced diet?
2. Mention two causes of an unbalanced diet.
3. State three effects of an unbalanced diet.
4. Is eating only one type of food every day healthy?
5. Mention two ways to prevent an unbalanced diet.
6. Why should fruits and vegetables be included in meals?
7. State one difference between balanced and unbalanced diet.