Sources of Danger and Insecurity: Dangerous Chemical Security Education Primary 2 First Term Lesson Notes Week 6

Security Education Lesson Plan

Subject: Security Education
Class: Primary 2
Term: First Term
Week: 6
Age: 7 years
Topic: Sources of Danger and Insecurity
Sub-topic: Dangerous Chemicals
Duration: 60 minutes

Behavioural Objectives

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

1. Identify dangerous chemicals such as acid, air pollution, arsenic, asbestos, highly hazardous pesticides (Gamalin 20), lead, etc.
2. Outline the effects of dangerous chemicals on health.

Key Words

• Dangerous
• Chemicals
• Acid
• Air pollution
• Arsenic
• Asbestos
• Pesticides
• Lead

Set Induction

Begin the lesson by showing pictures of various dangerous chemicals and asking pupils if they have seen any of them before. Discuss their responses briefly.

Entry Behaviour

Pupils have a basic understanding of safe and unsafe substances from previous lessons.

Learning Resources and Materials

• Lagos State Scheme of Work
• Picture charts showing different dangerous chemicals
• Flashcards with key words

Building Background / Connection to Prior Knowledge

Connect the lesson to pupils’ prior knowledge by discussing the importance of staying away from harmful substances.

Embedded Core Skills

• Critical thinking
• Observation
• Communication

Learning Materials

• Charts
• Flashcards
• Textbooks

Reference Books

• Lagos State Scheme of Work
• Primary 2 Security Education Textbook

Instructional Materials

• Charts depicting dangerous chemicals
• Flashcards with images and words

Content

Explanation of the Topic:

1. Identification of Dangerous Chemicals:
   • Acid: A strong substance that can burn skin and damage materials.
   • Air Pollution: Harmful gases and particles in the air that can cause health problems.
   • Arsenic: A toxic chemical found in some water and food that can cause poisoning.
   • Asbestos: A dangerous material found in some old buildings that can cause lung disease.
   • Highly Hazardous Pesticides (Gamalin 20): Chemicals used to kill pests that can be very harmful to humans and animals.
   • Lead: A toxic metal found in some old paints and pipes that can harm health.
2. Effects of Dangerous Chemicals on Health:
   • Acid: Can cause severe burns and damage to skin and eyes.
   • Air Pollution: Can cause breathing problems, asthma, and other lung diseases.
   • Arsenic: Can cause poisoning, stomach pain, and even death.
   • Asbestos: Can cause lung diseases and cancer.
   • Highly Hazardous Pesticides (Gamalin 20): Can cause poisoning, skin irritation, and other health problems.
   • Lead: Can cause brain damage, learning difficulties, and other serious health issues.

Fill-in-the-Blank Questions

1. ______ is a strong substance that can burn skin.
   a) Acid
   b) Water
   c) Oil
   d) Sand
2. Harmful gases in the air are called ______ pollution.
   a) Water
   b) Air
   c) Soil
   d) Noise
3. ______ is a toxic chemical found in some water and food.
   a) Arsenic
   b) Sugar
   c) Salt
   d) Pepper
4. ______ is a dangerous material found in some old buildings.
   a) Asbestos
   b) Cement
   c) Wood
   d) Brick
5. Gamalin 20 is a type of ______.
   a) Pesticide
   b) Medicine
   c) Food
   d) Drink
6. ______ is a toxic metal found in some old paints.
   a) Lead
   b) Iron
   c) Copper
   d) Zinc
7. Acid can cause severe ______.
   a) Burns
   b) Healing
   c) Cooling
   d) Cleaning
8. Air pollution can cause ______ problems.
   a) Breathing
   b) Eating
   c) Walking
   d) Running
9. Arsenic can cause ______.
   a) Poisoning
   b) Healing
   c) Growing
   d) Playing
10. Asbestos can cause ______ diseases.
    a) Lung
    b) Stomach
    c) Heart
    d) Skin

Class Activity Discussion

1. What is acid?
   • Acid is a strong substance that can burn skin and damage materials.
2. What is air pollution?
   • Air pollution is harmful gases and particles in the air that can cause health problems.
3. Where can arsenic be found?
   • Arsenic can be found in some water and food.
4. What is asbestos?
   • Asbestos is a dangerous material found in some old buildings that can cause lung disease.
5. What are highly hazardous pesticides?
   • Highly hazardous pesticides, like Gamalin 20, are chemicals used to kill pests that can be very harmful to humans and animals.
6. Where can lead be found?
   • Lead can be found in some old paints and pipes.
7. What can acid cause?
   • Acid can cause severe burns and damage to skin and eyes.
8. What health problems can air pollution cause?
   • Air pollution can cause breathing problems, asthma, and other lung diseases.
9. What can arsenic cause?
   • Arsenic can cause poisoning, stomach pain, and even death.
10. What diseases can asbestos cause?
    • Asbestos can cause lung diseases and cancer.

Presentation

Step 1: Revision of Previous Topic

• Review the previous lesson on food poisoning.

Step 2: Introduction of New Topic

• Introduce the new topic by explaining what dangerous chemicals are.

Step 3: Pupils’ Contributions

• Allow pupils to share their thoughts and questions about dangerous chemicals.
• Correct and guide them as needed.

Teacher’s Activities

• Explain key terms and examples.
• Use charts and flashcards to illustrate points.
• Engage pupils in discussions and activities.

Learners’ Activities

• Participate in discussions.
• Answer questions.
• Share their experiences.

Assessment

• 10 fill-in-the-blank questions to test understanding.

Evaluation Questions

1. What is acid?
2. What is air pollution?
3. Where can arsenic be found?
4. What is asbestos?
5. What are highly hazardous pesticides?
6. Where can lead be found?
7. What can acid cause?
8. What health problems can air pollution cause?
9. What can arsenic cause?
10. What diseases can asbestos cause?

Conclusion

• The teacher goes round to mark and gives feedback on the assessment questions.
• Summarize the lesson and address any remaining questions.