Adequate diet (balanced diet)

Subject : 

Basic Science and Technology

Term :

Second  Term


Week 9

Class :

Basic 4 / Year 4 / Primary 4


Previous lesson : 

The pupils have previous knowledge of classes of food in their  previous lesson

Topic :

Adequate diet (balanced diet)


Behavioural objectives :

At the end of the lesson, the pupils should be able to

  • Explain the meaning of food
  • Explain adequate diet (balanced diet)
  • Components

Instructional Materials :

  • Wall charts
  • Pictures
  • Take Away Pack of Food .
  • Related Online Video on Classes of Food
  • Flash Cards

Methods of Teaching :

  • Class Discussion
  • Group Discussion
  • Asking Questions
  • Explanation
  • Role Modelling
  • Role Delegation


Reference Materials :

  • Scheme of Work
  • Online Information
  • Textbooks
  • Workbooks
  • 9 Year Basic Education Curriculum
  • Workbooks


Content :



Food is any subsistence either liquid or semi solid  that in taken into the body system in order to sustain and  maintain life . Food is also needed for proper  body growth function and development .



What is Balanced Diet or Adequate meal

A balance diet  meal is  a meal that contains all classes of food in the right proportion . There are six classes of food which are

  • carbohydrates
  • proteins
  • vitamins
  • fats and oils
  • mineral salts
  • water

Examples of food balanced diet

  • a small portion of white rice and fried rice with moin moin and turkey
  • a small portion of coconut rice and dodo with salad
  • a small portion of amala with gbegiri and ewedu with catfish
  • vegetables and legumes (beans)
  • fruit.
  • grains and cereals.
  • lean meat, poultry, fish, eggs, legumes (beans) tofu, nuts, seeds.
  • milk, cheese, yoghurt or alternatives.




The topic is presented step by step


Step 1:

The class teacher revises the previous topics


Step 2.

He introduces the new topic


Step 3:

The class teacher allows the pupils to give their own examples and he corrects them when the needs arise




The class teacher wraps up or conclude the lesson by giving out short note to summarize the topic that he or she has just taught.

The class teacher also goes round to make sure that the notes are well copied or well written by the pupils.

He or she does the necessary corrections when and where  the needs arise.



  1. What is balanced diet
  2. mention any four classes of food and give out three food examples of each class
  3. How many classes of food do we have
  4. Give two examples of food portion that are examples of balanced diet




Prepare for the next lesson by reading about  harmful or contaminated food



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