Dangers of Chemicals, Examples, and Prevention in Source Of Danger And Insecurity for Primary 2

Class: Primary Two
Term: First Term
Subject: National Values Education
Curriculum Theme: Security Education
Previous Lesson: Source Of Danger And Insecurity, Food Poisoning
Topic: Dangers of Chemicals
Content/Learning Area: What are Chemicals?, Example of perilous chemicals, causes, effects, and prevention of dangers caused by hazardous chemicals
Time Allocation: 40 minutes

performance Objectives

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

• Cognitive Domain:

1. Explain what chemicals are and give examples of dangerous chemicals.
2. Identify various dangerous chemicals found in everyday life.
3. Describe the potential dangers associated with different chemicals.

• Psychomotor Domain:

1. Demonstrate safe handling practices around chemicals.
2. practice safe storage and disposal of chemicals.

• Affective Domain:

1. Show awareness of the risks associated with chemicals.
2. Develop responsible attitudes towards chemical safety.

• Social Domain:

1. Cooperate with others in practicing chemical safety.
2. Communicate effectively about chemical safety concerns.

Reference Materials

• 9 – years Basic Education curriculum
• Abuja Educational Resource Center Scheme of Work
• NAPPS National Unified Scheme of Work
• Online information
• Relevant Textbooks

instructional Materials

To deliver this lesson, the teacher will use the following materials:

• whiteboard or chart paper
• Markers or crayons
• Pictures or illustrations of different chemicals

Rationale for the Lesson

Understanding the dangers of chemicals is crucial for children’s safety and well-being. This lesson equips them with knowledge to avoid accidents and make informed decisions about handling chemicals in their habitat.

Prerequisite/Previous Knowledge

The teacher will begin by asking pupils what they know about chemicals, prompting discussion about things they use daily that might contain chemicals. This will lead into a discussion about safe and unsafe uses of chemicals.

Lesson Content

What are Chemicals?

Chemicals are substances found everywhere—in the air, water, and everyday things. Some are safe,but others are dangerous.

Example of Dangerous Chemicals

Dangerous chemicals pose notable risks if not handled properly. These include:

The following are examples of dangerous chemicals:

1. Bleach: A strong cleaner, harmful if touched or swallowed.
2. Pesticides: Used to control pests, dangerous if touched or eaten.
3. Kerosene: Lamp fuel, very dangerous if touched or on skin.
4. Medicines: Harmful if taken incorrectly or without adult supervision.
5. Battery Acid: Inside batteries, very harmful if it touches skin.
6. Cleaning Products: Many contain harmful chemicals if misused.
7. Paints and solvents: Dangerous if inhaled or touch skin.
8. fertilizers: help plants grow, harmful if touched or eaten.
9. Insecticides: Used to kill insects, harmful if inhaled or touched.
10. Herbicides: Used to kill weeds,dangerous if swallowed or inhaled.

Teaching Methods

to deliver this lesson,‌ ⁤the teacher will⁤ adopt⁤ the following methods: Discussion, Question and answer, Visual aids.

Instructional Procedures

To deliver this lesson, the teacher will adopt the following steps:

Step 1: Introduction

Time: 5 minutes
Teaching Skill: Set Induction
Teacher’s Activity: Engage students with a brief discussion about everyday items containing chemicals.
Pupils’ Activity: Participate in the discussion, sharing their knowledge and experiences.

Step 2: Description of Key Concepts

Time: 10 minutes
Teaching Skill: Explaining
Teacher’s Activity: define chemicals and provide examples of safe and dangerous chemicals.
Pupils’ Activity: Listen attentively and ask clarifying questions.

Step 3: Exhibition/Guided Practice

Time: 10 minutes
Teaching skill: Demonstrating
Teacher’s activity: Show pictures of dangerous chemicals and discuss their potential harm.Pupils’ Activity: Observe the pictures and participate in the discussion.

Step 4: Self-reliant Practice

Time: 5 minutes
Teaching Skill: Monitoring
Teacher’s Activity: Guide pupils in identifying dangerous chemicals in pictures or scenarios.
Pupils’ Activity: Identify dangerous chemicals and explain the potential risks.

Step 5: Note-Taking

Time: 5 minutes
Teaching Skill: Note-taking
teacher’s Activity: Guide pupils in summarizing key points about chemical safety.
Pupils’ Activity: Take notes on key concepts and examples.

Step 6: Evaluation/Review

Time: 5 minutes
Teaching skill: Questioning
Teacher’s Activity: Ask review questions to assess understanding.Pupils’ activity: Answer questions to demonstrate understanding.

Objective-aligned checks:

1. Explain what chemicals are and give examples of dangerous chemicals.
2. Identify various dangerous chemicals found in everyday life.
3. Describe the potential dangers associated with different chemicals.

Step 7: Conclusion

time: 2 minutes
Teaching Skill: Summarizing
Teacher’s Activity: Summarize the key points about chemical safety and emphasize the importance of asking for help when unsure about a chemical.
Pupils’ Activity: Listen attentively and ask clarifying questions.

Lesson Keywords

• Chemicals – Substances found in everyday things, some safe, some dangerous.
• Dangerous Chemicals – Chemicals that can cause harm if not handled properly.
• Safety – Taking precautions to avoid harm or danger.
• Pesticides – Substances used to control pests, but can be harmful to humans.
• Kerosene – A flammable liquid used as fuel, dangerous if ingested or inhaled.

Lesson Evaluation

To evaluate the learning, the teacher asks pupils to:

1. What are chemicals?
2. Give an example of a dangerous chemical?
3. Why is it crucial to be careful with dangerous chemicals?
4. How can we prevent dangers from chemicals?
5. What are some things we can do to stay safe around chemicals?
6. What should we do if we think we have been exposed to a dangerous chemical?

Assignment/Homework

1. List three dangerous chemicals you might find at home.
2. Explain one way to stay safe around chemicals.
3. Draw a picture showing a safe way to store chemicals.

Differentiation

• For slower learners: Provide one-on-one assistance and use simpler language.
• For advanced learners: Encourage them to research additional examples of dangerous chemicals and their effects.
• For visual/auditory/kinesthetic learners: Use visual aids, discussions, and hands-on activities to cater to different learning styles.

Note for Teachers

Ensure to use real-life examples and visual aids to make the lesson engaging and relatable for the pupils. Emphasize the importance of seeking adult help when dealing with chemicals.