Meaning and Reasons for Packaging Water Basic Science Primary 3 Second Term Lesson Notes Week 8

Subject: Basic Science
Class: Primary 3
Term: Second Term
Week: 8
Topic: Meaning and Reasons for Packaging Water
Duration: 45 minutes

Entry Behaviour: Students are expected to have some understanding of water and its importance in daily life.

Key Words: Packaged water, sachet water, bottled water, convenience, cleanliness, purification, hydration, preservation.

Behavioural Objectives:

  • Understand the meaning of packaged water.
  • Identify reasons for packaging water.
  • Appreciate the importance of packaged water in daily life.

Embedded Core Skills:

  • Comprehension
  • Critical thinking
  • Problem-solving

Learning Materials:

  • Basic Science Textbook 3
  • Visual aids (pictures of sachet water, bottled water, etc.)
  • Empty sachet and bottle for demonstration
  • Marker board and markers

Content:

Meaning and Reasons for Packaging Water

Meaning: Packaging water refers to the process of putting water into containers such as sachets, bottles, or jerry cans for sale or distribution. This ensures that the water remains clean, safe, and convenient for consumption.

Reasons for Packaging Water:

  1. Cleanliness: Packaged water undergoes filtration and purification processes to remove impurities, ensuring its cleanliness and safety for consumption.
  2. Convenience: Packaged water is convenient for consumers as it is readily available in various sizes and can be carried easily for on-the-go hydration.
  3. Portability: Packaged water is portable, allowing people to access clean drinking water even in areas with limited or no access to clean water sources.
  4. Safety: Packaged water undergoes strict quality control measures to ensure it meets safety standards, reducing the risk of waterborne diseases.
  5. Preservation: Packaging water in sealed containers helps to preserve its freshness and purity, preventing contamination and spoilage.
  6. Accessibility: Packaged water is accessible in urban and rural areas, providing a reliable source of clean drinking water to communities.
  7. Hydration: Packaged water promotes hydration, especially in hot climates or during physical activities, helping to maintain overall health and well-being.
  8. Emergency Preparedness: Packaged water is essential during emergencies such as natural disasters or water shortages, providing a reliable source of safe drinking water.
  9. Consumer Choice: Packaged water offers consumers a variety of options, including mineral water, purified water, or flavored water, catering to different preferences and needs.
  10. Environmental Considerations: While plastic packaging is a concern, some companies use eco-friendly materials or promote recycling initiatives to minimize environmental impact.

Packaged water plays a vital role in ensuring access to clean and safe drinking water for individuals and communities, contributing to overall health and well-being.

Types of Package Water

  1. Sachet Water: ūü•§ Sachet water is small, sealed plastic bags filled with clean drinking water. It‚Äôs also known as ‚Äúpure water‚ÄĚ in Nigeria.
  2. Bottled Water: ūüßä Bottled water comes in plastic or glass bottles and is purified for drinking. Examples include Eva water, Nestle Pure Life, and Aquafina.
  3. Cup Water: ūü•õ Some companies sell water in disposable cups. These cups are filled with clean drinking water and sealed with a lid.
  4. Gallon Water: ūüöį Gallon water is sold in large plastic containers with a handle. It‚Äôs convenient for families to use at home and is also purified for drinking.
  5. Mineral Water: ūüíß Mineral water is bottled water that contains minerals like calcium and magnesium. It‚Äôs said to have health benefits because of these minerals.
  6. Spring Water: ūüŹěÔłŹ Spring water comes from natural springs underground. It‚Äôs often bottled directly at the source and is considered to be very pure.
  7. Pouch Water: ūüéí Pouch water comes in flexible, resealable pouches. It‚Äôs similar to sachet water but may contain more water and have a different packaging shape.
  8. Flavored Water: ūüćď Flavored water has added flavors like fruit extracts or essences. It‚Äôs still water but with a hint of flavor for taste.
  9. Sparkling Water: ✨ Sparkling water has added carbon dioxide gas, which makes it fizzy. It’s a fun alternative to still water for those who enjoy bubbles.
  10. Alkaline Water: ‚öĖÔłŹ Alkaline water has a higher pH level than regular water. Some people believe it has health benefits, although scientific evidence is limited.

Evaluation

  1. Sachet water is also known as ‚Äú______ water‚ÄĚ in Nigeria. a) pure b) dirty c) salty d) oily
  2. Bottled water often comes in ______ or glass bottles. a) plastic b) metal c) paper d) ceramic
  3. Cup water is served in ______ containers. a) disposable b) reusable c) breakable d) transparent
  4. Gallon water is sold in large plastic containers with a ______. a) handle b) straw c) lid d) spoon
  5. Mineral water contains ______ like calcium and magnesium. a) vitamins b) minerals c) sugars d) proteins
  6. Spring water comes from natural ______ underground. a) rivers b) lakes c) springs d) mountains
  7. Pouch water comes in flexible, resealable ______. a) pouches b) bottles c) jars d) cans
  8. Flavored water has added ______ for taste. a) sugar b) salt c) flavor d) color
  9. Sparkling water contains added ______ gas, making it fizzy. a) carbon dioxide b) oxygen c) nitrogen d) helium
  10. Alkaline water has a higher pH level than regular water, making it ______. a) acidic b) neutral c) alkaline d) salty
  11. Sachet water is packaged in small, sealed ______ bags. a) plastic b) paper c) cloth d) metal
  12. Bottled water is commonly used for ______ purposes. a) cooking b) bathing c) cleaning d) drinking
  13. Cup water is often provided at ______ events. a) school b) work c) sports d) parties
  14. Gallon water is convenient for use in ______. a) households b) factories c) hospitals d) restaurants
  15. Mineral water is believed to have ______ benefits due to its mineral content. a) health b) financial c) environmental d) educational

Reasons For Packaging Water
  1. Convenience: Packaging water makes it easy to carry and use anywhere, like when we go to school or travel ūüéí.
  2. Safety: Sealed packages keep water clean and safe from contamination, ensuring it‚Äôs healthy to drink ūüíß.
  3. Longevity: Packaged water has a longer shelf life, so it stays fresh for a longer time ūüēí.
  4. Variety: Different types of packaged water offer choices like flavored or mineral water, catering to different preferences ūüćč.
  5. Accessibility: Packaged water is readily available in stores, making it easy for people to buy whenever they need it ūüõí.
  6. Portability: Small packages like sachets are easy to carry around, especially for outdoor activities like picnics or sports ūüŹěÔłŹ.
  7. Health: Packaged water undergoes purification processes to ensure it‚Äôs free from harmful substances, promoting good health ūüí™.
  8. Emergency Preparedness: Having packaged water on hand is useful during emergencies like natural disasters or water shortages ūüö®.
  9. Hydration: Packaged water helps keep our bodies hydrated, which is important for staying healthy and active ūüŹÉ‚Äć‚ôāÔłŹ.
  10. Environmental Conservation: Packaging water reduces the need for using disposable cups or bottles, helping to minimize plastic waste ūüĆć.

Evaluation
  1. Packaged water is convenient for _______. a) drinking at home b) carrying around c) cooking meals d) watering plants
  2. Sealed packages keep water _______. a) dirty b) clean c) colorful d) hot
  3. Packaged water has a longer _______. a) day b) shelf life c) journey d) color
  4. Different types of packaged water offer _______. a) only one flavor b) no choices c) variety d) the same taste
  5. Packaged water is readily available in _______. a) schools b) stores c) parks d) cinemas
  6. Small packages like sachets are easy to carry around for _______. a) cooking b) reading c) outdoor activities d) sleeping
  7. Packaged water undergoes purification processes to ensure it’s _______. a) harmful b) dirty c) safe d) salty
  8. Having packaged water on hand is useful during _______. a) celebrations b) emergencies c) holidays d) parties
  9. Packaged water helps keep our bodies _______. a) hydrated b) sleepy c) sick d) dirty
  10. Packaging water reduces the need for using _______. a) disposable cups or bottles b) toys c) books d) clothes
  11. Packaged water is convenient for carrying around when we go to _______. a) school b) work c) play d) all of the above
  12. Sealed packages keep water clean and safe from _______. a) contamination b) coloring c) drying d) cleaning
  13. Different types of packaged water offer choices like flavored or _______ water. a) sparkling b) salty c) dirty d) hot
  14. Having packaged water on hand is useful during natural _______. a) days b) holidays c) disasters d) nights
  15. Packaging water helps minimize _______ waste. a) plastic b) paper c) food d) metal

Presentation
  1. Revision: The teacher revises the previous topic on the components of water and its importance in daily life. Second Term Mid Term Test Basic Science Primary 3 Second Term Lesson Notes Week 7
  2. Introduction of New Topic: The teacher introduces the new topic, explaining that packaged water refers to water that is sold in sealed sachets or bottles for drinking purposes.
  3. Teacher’s Activities:
    • Define packaged water and provide examples (sachet water, bottled water).
    • Explain the reasons for packaging water, such as convenience, cleanliness, and preservation.
    • Discuss the importance of packaged water in ensuring access to safe drinking water, especially in areas with unreliable water sources.
  4. Learners Activities:
    • Students participate in a discussion on the meaning and reasons for packaging water.
    • They observe and analyze different types of packaged water containers.
    • Students share their experiences with using packaged water in their daily lives.
  5. Assessment: The teacher assesses students’ understanding through class discussions, questioning, and observation.
  6.  Evaluation Questions:
    1. What is packaged water?
    2. Give examples of packaged water.
    3. Why is water packaged?
    4. What does packaging water help to maintain?
    5. How does packaged water contribute to convenience?
    6. Name one reason why packaged water is important in emergencies.
    7. How does packaging water help in preserving its quality?
    8. What are the benefits of packaged water for communities without access to clean water sources?
    9. Explain one way in which packaged water contributes to hygiene.
    10. Why is it essential to have packaged water available during natural disasters?
  7. Conclusion: The teacher goes round to mark students’ responses and provides feedback. Students are encouraged to continue practicing good hygiene habits, including drinking packaged water when necessary.