Purifying Water at Home: Safe and Clean Physical and Health Education Primary 2 Third Term Lesson Notes Week 3

Learn how to purify water at home with Primary 2 students! Explore easy methods to keep water clean and safe for drinking.

Subject: Physical and Health Education

Class: Primary 2

Term: Third Term

Week: 3

Topic: Purification of Water at Home

Duration: 40 minutes

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

1. Describe different ways to purify water at home.
2. Demonstrate at least one method of purifying water.

Key Words: Purify, Boiling, Filtering, Water tablets, Solar disinfection.

Entry Behaviour: Pupils should know that clean water is important for good health.

Learning Resources and Materials:

• Clear plastic bottles
• Clean cloth or filter
• Water tablets
• Pot and stove
• Cups

Building Background / Connection to Prior Knowledge: Discuss why clean water is important. Ask pupils what they know about water purification.

Embedded Core Skills: Critical thinking, problem-solving.

Reference Books: Lagos State Scheme of Work

Instructional Materials:

• Clear plastic bottles
• Clean cloth or filter
• Water tablets
• Pot and stove

Content:

1. Different methods to purify water at home.
2. Explanation and demonstration of boiling, filtering, using water tablets, and solar disinfection.

Hello, class! Let’s learn how to purify water at home. This will help us keep water clean and safe for drinking. 😊

1. Boiling:
   • Heat water in a pot on a stove until it bubbles (boils).
   • Let it boil for about 3 to 5 minutes to kill germs.
   • After it cools down, you can drink it.
2. Filtering:
   • Use a clean cloth or filter to pour water through.
   • The filter takes out dirt and other things from the water.
   • The clean water can then be used for drinking.
3. Using Water Tablets:
   • Add a water tablet to a cup of water.
   • Wait for the tablet to dissolve and clean the water.
   • Now, the water is safe to drink.
4. Solar Disinfection:
   • Fill a clear plastic bottle with water.
   • Place the bottle in the sun for about 6 hours.
   • The sun kills germs in the water, making it safe to drink.

Remember, always drink clean water to stay healthy! 😊

Presentation:

Step 1: The teacher revises the previous topic, which was about the importance of hygiene and clean water. Keeping Water Clean: How to Purify Water Physical and Health Education Primary 2 Third Term Lesson Notes Week 2

Step 2: The teacher introduces the new topic on purifying water at home. Demonstrate boiling water in a pot, filtering water through a clean cloth, and using water tablets to clean water.

Here are some questions and answers to help you understand how to keep water clean and safe! 😊

1. What is purifying water?
   • Making water clean and safe to drink.
2. Why do we purify water?
   • To remove dirt and germs.
3. How do we boil water?
   • Heat water in a pot until it boils (bubbles).
4. How long should we boil water?
   • Boil water for 3 to 5 minutes.
5. What is filtering water?
   • Pouring water through a clean cloth or filter.
6. What does filtering do?
   • It removes dirt and other things from water.
7. What are water tablets?
   • Small tablets that clean water.
8. How do you use water tablets?
   • Add a water tablet to a cup of water. Let it dissolve.
9. What is solar disinfection?
   • Putting water in a clear bottle in the sun.
10. How long does water need to be in the sun for solar disinfection?
    • About 6 hours.
11. Why use solar disinfection?
    • The sun kills germs in the water.
12. What kind of bottle do you use for solar disinfection?
    • A clear plastic bottle.
13. Why should we drink clean water?
    • To stay healthy and avoid getting sick.
14. What happens if we drink dirty water?
    • We can get sick and feel bad.
15. Name one way to purify water at home.
    • Boiling, filtering, using water tablets, or solar disinfection.

Great job, class! Remember to drink clean water and stay healthy! 😊

Step 3: The teacher invites pupils to share how they purify water at home. Correct any mistakes and explain further if needed.

Teacher’s Activities:

• Demonstrate different methods of purifying water at home.
• Explain how boiling, filtering, water tablets, and solar disinfection work.
• Answer pupils’ questions.

Learners’ Activities:

• Watch the teacher’s demonstrations.
• Share how they purify water at home.
• Ask questions about purifying water.

Assessment:

• Ask pupils to explain how they would purify water at home.
• Have pupils demonstrate one method of purifying water.

Evaluation:

1. We purify water at home by ______ it. a) drinking b) freezing c) boiling d) hiding
2. Boiling water kills ______. a) toys b) germs c) grass d) books
3. Filtering water removes ______ from it. a) stones b) dirt c) air d) music
4. We use ______ to filter water. a) our hands b) a clean cloth c) a stick d) a hat
5. Water tablets help make water ______ to drink. a) colorful b) fresh c) safe d) thick
6. Solar disinfection uses ______ to clean water. a) the sun b) the moon c) rain d) wind
7. Solar disinfection takes about ______. a) 1 day b) 6 hours c) 2 weeks d) 5 minutes
8. A clear ______ bottle is used for solar disinfection. a) blue b) green c) plastic d) glass
9. We can use a clean cloth to ______ water. a) filter b) cool c) splash d) taste
10. Boiling water is a way to ______ water. a) color b) hide c) purify d) touch
11. Solar disinfection kills ______ in water. a) plants b) fish c) dirt d) germs
12. Boiling water makes it safe to ______. a) drink b) see c) play with d) walk on
13. Filtering water helps to remove ______ things. a) heavy b) light c) dirty d) loud
14. What do water tablets do to water? a) turn it blue b) make it clean c) turn it hard d) make it sweet
15. Why should we purify water? a) So it tastes good b) So it is clear c) So it is warm d) So it is safe to drink

Great job, class! Keep learning about purifying water at home and stay healthy! 😊

Evaluation Questions:

1. What is purifying water?
2. Name one method to purify water at home.
3. How do you boil water?
4. What do water tablets do?
5. What is filtering water?
6. How do you filter water?
7. What is solar disinfection?
8. How long should you boil water?
9. How long should a bottle be in the sun for solar disinfection?
10. Why should we purify water?

Conclusion: The teacher goes around the class to mark pupils’ work and provide feedback. Encourage pupils to practice purifying water at home and share what they learned with their families. Remind them to drink clean water to stay healthy.