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

Class: Primary 2

Subject: Security Education

Topic: Sources of Danger and Insecurity: Dangerous Chemicals

Sub-topic: Understanding What Can Be Harmful

Duration: 40 minutes

Instructional Materials: Pictures of chemicals, Whiteboard and markers, Flashcards, Storybook, Timer

Entry Behaviour: Students should know basic safety rules like not touching unknown things.

Behavioural Objectives: By the end of this lesson, students should be able to:

1. Identify common dangerous chemicals.
2. Explain why these chemicals can be harmful.
3. Understand the importance of avoiding contact with these chemicals.

Previous Lesson: In our last class, we talked about road safety and how to cross the road safely.

Embedded Core Skills: Observational, Communication, Critical Thinking

Learning Materials:

• Pictures of chemicals
• Flashcards with chemical names
• Storybook about safety

Content:

A dangerous chemical is something that can hurt you if you touch it, smell it, or even breathe it in. It’s like when you touch something hot, and it can burn your skin. So, we need to be very careful around dangerous chemicals and only use them when grown-ups tell us it’s okay. It’s like a superhero rule to keep us safe! ⚠️🦸‍♂️🦸‍♀️

Examples of dangerous chemicals that can be harmful:

1. Acid
2. Air pollution
3. Arsenic
4. Asbestos
5. Highly hazardous pesticides
6. Gamalin 20 (a type of pesticide)
7. Lead
8. Mercury
9. Cyanide
10. Benzene
11. Carbon monoxide
12. Sulfuric acid
13. Ammonia
14. Chlorine
15. Radon

Effects of Dangerous Chemicals 

1. Skin Burns: Some chemicals can cause burns if they touch your skin, like acid.
2. Breathing Problems: Breathing in certain chemicals, like air pollution, can make it hard to breathe and can be bad for your lungs.
3. Poisoning: Swallowing or touching certain chemicals can make you very sick or even be deadly, like swallowing poison.
4. Cancer: Exposure to some chemicals, such as asbestos, can increase the risk of developing cancer later in life.
5. Nervous System Damage: Lead and mercury can harm your brain and nervous system, affecting how you think and learn.
6. Allergies: Some chemicals can cause allergies, making your skin itchy and your nose runny.
7. Environmental Damage: Dangerous chemicals can harm plants, animals, and the environment, affecting the world around us.
8. Birth Defects: Exposure to certain chemicals during pregnancy can lead to birth defects in babies.

It’s important to stay away from dangerous chemicals and always follow safety rules to protect yourself and the environment. 🚫🧪🌍

1. Introduction to Dangerous Chemicals (5 minutes)
   • Explain that some things, like chemicals, can be harmful.
   • Show pictures of common chemicals.
2. Common Dangerous Chemicals (10 minutes)
   • Introduce common chemicals like bleach, insect spray, and detergent.
   • Use flashcards with pictures and names.
3. Why These Chemicals Are Harmful (10 minutes)
   • Discuss why these chemicals can be harmful, like causing burns or making us sick.
   • Use simple words like “hurt” and “sick.”
4. Storytime (5 minutes)
   • Read a short storybook about a child who stayed safe around chemicals.
   • Ask students what they learned from the story.

Step-by-Step Presentation:

Step 1: Start with a simple question about things students know can be harmful.

Step 2: Introduce common dangerous chemicals with pictures.

Step 3: Explain why these chemicals can be harmful in simple terms.

Step 4: Engage students with a storybook about safety.

Teacher’s Activities:

• Present information using simple language and visuals.
• Encourage students to ask questions.

Learners Activities:

• Observe pictures and flashcards.
• Share what they’ve learned from the story.

Assessment: (5 minutes)

• Show pictures of chemicals and ask students to name them and explain why they are dangerous.

Evaluation: (5 minutes)

• Ask students to list one safety rule when they see a dangerous chemical.
• Objectives :
  1. Dangerous chemicals can be __________ if you touch them. a) Fun b) Harmful c) Colorful d) Tasty
  2. Bleach is an example of a __________ chemical. a) Safe b) Dangerous c) Sweet d) Soft
  3. Insect spray can make you __________ if you breathe it in. a) Laugh b) Hungry c) Sick d) Strong
  4. We should always listen to __________ about handling chemicals. a) Friends b) Grown-ups c) Animals d) Birds
  5. Why should we avoid touching dangerous chemicals? a) Because they are fun to touch. b) Because they can be harmful. c) Because they are colorful. d) Because they smell nice.
  6. What should we do if we find a chemical we don’t know? a) Touch it to see how it feels. b) Ask a friend to touch it first. c) Ask a grown-up for help. d) Put it in our mouth to taste it.
  7. What can happen if we breathe in harmful chemicals? a) We can get stronger. b) We can get taller. c) We can get sick. d) We can get happier.
  8. In the storybook, what did the child do to stay safe around chemicals? a) Played with them. b) Asked for help. c) Ate them. d) Ignored them.
  9. How can we remember to be safe around chemicals? a) By talking about them. b) By hiding them. c) By tasting them. d) By playing with them.
  10. What did we learn about dangerous chemicals today? a) They are fun to touch. b) We should avoid them. c) We should eat them. d) They are colorful.
  11. What’s the name of the chemical that can make us clean things but should be used carefully? a) Soap b) Bleach c) Candy d) Juice
  12. What’s the right thing to do if we find a chemical we don’t know? a) Taste it b) Touch it c) Ask a grown-up for help d) Run away from it
  13. Why is it important to avoid touching harmful chemicals? a) Because they are fun to touch b) Because they can be harmful c) Because they smell nice d) Because they are tasty
  14. Who should we listen to about handling chemicals? a) Our friends b) Grown-ups c) Animals d) Birds
  15. What’s the best way to stay safe around chemicals? a) Play with them b) Ask a friend for help c) Ask a grown-up for help d) Taste them

  Theory Questions:

  16. Why is it important to teach kids about dangerous chemicals?
  17. Can you name two examples of dangerous chemicals we discussed in class?
  18. What should you do if you find a chemical you don’t recognize?
  19. Explain why it’s essential to avoid touching harmful chemicals.
  20. How can you remember to be safe around chemicals in your everyday life?

Conclusion:

• Summarize key points: some chemicals can be harmful, and we should stay away from them.
• Emphasize the importance of listening to grown-ups and following safety rules.