TOPIC: HARMFUL FOODS AND BAD FEEDING HABITS
A: TEACHING AND LEARNING MATERIALS
- Pictures of fresh and spoilt foods.
- Food packages with expiry dates.
- Food hygiene chart.
- Flashcards.
- Pupils’ writing books and pencils.
B: REFERENCE MATERIALS
- Scheme of work.
- Recommended Basic Science textbook for Primary 4.
- Online educational resources.
C: PREVIOUS KNOWLEDGE
The pupils have learnt the meaning of balanced diet and the importance of eating healthy foods.
D: PERFORMANCE OBJECTIVES
By the end of the lesson, pupils should be able to:
- Explain harmful food.
- Identify contaminated, spoilt and expired food.
- State causes of food contamination.
- Mention dangers of eating unsafe food.
- Explain bad feeding habits.
- Mention examples of unhealthy feeding habits.
- State healthy food handling practices.
E: CONTENT
Meaning of Harmful Food
Harmful food is food that can make a person sick. Examples include:
- spoilt food
- contaminated food
- expired food
- poorly stored food
Contaminated Food
Food is contaminated when harmful substances or germs enter it. Food can be contaminated by:
- dirty hands
- flies
- dirty water
- dirty utensils
- dust
- improper storage
Spoilt Food
Spoilt food may:
- smell bad
- change colour
- grow mould
- have a bad taste
Spoilt food should not be eaten.
Expired Food
Packaged foods usually carry expiry dates. Food that has passed its safe expiry date should not be eaten.
Dangers of Harmful Food
Eating harmful food may cause:
- stomach pain
- vomiting
- diarrhoea
- food poisoning
- sickness
Bad Feeding Habits
Bad feeding habits are unhealthy ways of eating. Examples:
- skipping meals often
- eating too many sweets
- eating dirty food
- eating too much junk food
- eating without washing hands
- overeating regularly
Healthy Feeding Practices
We should:
- Wash hands before eating.
- Wash fruits and vegetables.
- Cover food.
- Store food properly.
- Check expiry dates.
- Eat balanced meals.
- Drink clean water.
F: LESSON PRESENTATION
F1: Teachers’ Activities
- Explains harmful food.
- Shows pictures of fresh and spoilt foods.
- Explains food contamination.
- Shows pupils where to find expiry dates.
- Discusses dangers of unsafe food.
- Explains bad feeding habits.
- Demonstrates healthy food-handling practices.
- Corrects misconceptions.
F2: Pupils’ Activities
- Identify fresh and spoilt food.
- Mention causes of contamination.
- Observe expiry dates.
- State dangers of eating harmful food.
- Mention bad feeding habits.
- Demonstrate hand washing.
- Mention healthy feeding practices.
- Answer questions.
G: CONCLUSION
The teacher revises harmful foods, food contamination and bad feeding habits. The teacher encourages pupils to eat fresh, clean food and practise good food hygiene at all times.
H: EVALUATION GUIDE
Pupils should be able to answer the following questions:
- What is harmful food?
- What is contaminated food?
- Mention three causes of food contamination.
- Mention two signs of spoilt food.
- What is expired food?
- Mention three dangers of eating harmful food.
- Mention three bad feeding habits.
- State four healthy food-handling practices.