Meaning and Examples of Mixtures, Reasons for Mixtures, Forming of New Things and Materials Primary 4 (Basic 4) Second Term Week 5 Basic Science and Technology
MIXTURE: MEANING AND EXAMPLES OF COMMON MIXTURES, EXAMPLES OF OTHER MIXTURES, REASONS FOR MIXTURES, FORMING NEW THINGS AND MATERIALS PRIMARY 4 (BASIC 4) SECOND TERM WEEK 5 ENGLISH STUDIES
BASIC SCIENCE AND TECHNOLOGY
SECOND TERM
WEEK 5
PRIMARY 4 (BASIC 4)
THEME –
PREVIOUS LESSON – Growing of Plants: Planting and Nurturing of Plants Primary 4 (Basic 4) Second Term Week 4 Basic Science And Technology
TOPIC – MIXTURES
LEARNING AREA
1. Introduction
2. Meaning and Examples of Mixtures
3. Reasons for Mixtures
4. Forming New Things and Materials
5. Class Exercise/Assignment/Test Questions and Answers
6. Summary
LEARNING OBJECTIVES
By the end of the lesson, pupils should be able to:
1. Explain the meaning of a mixture.
2. Mention examples of common mixtures.
3. Identify other mixtures found in the environment.
4. State reasons for mixing substances.
5. Explain how mixtures help in forming new things and materials.
ENTRY BEHAVIOUR
INSTRUCTIONAL MATERIALS
The teacher will teach the lesson with the aid of:
1. Sand
2. Water
3. Salt
4. Sugar
5. Garri
6. Rice and beans
7. Bowl and spoon
8. Charts showing different mixtures
METHOD OF TEACHING
Choose a suitable and appropriate methods for the lessons.
Note – Irrespective of choosing methods of teaching, always introduce an activities that will arouse pupil’s interest or lead them to the lessons.
REFERENCE MATERIALS
1. Scheme of Work
2. 9 – Years Basic Education Curriculum
3. Course Book
4. All Relevant Material
5. Online Information
CONTENT OF THE LESSON
INTRODUCTION
People mix different substances every day for various purposes. For example, sugar can be mixed with water to make a sweet drink, while cement can be mixed with sand and water for building.
When two or more substances are combined without changing into a completely new substance, a mixture is formed.
LESSON 1 – MEANING OF MIXTURE
A mixture is a combination of two or more substances that are put together.
EXAMPLES OF COMMON MIXTURES
1. Salt and water
2. Sugar and water
3. Rice and beans
4. Garri and water
5. Sand and water
6. Cereal and milk
7. Flour and butter
8. Cream and sugar
9. Coffee and cream
10. Honey and tea
11. Milk and chocolate
12. Sugar and tea
13. Red and blue, etc.
EXAMPLES OF OTHER MIXTURES
1. Dirt and water
2. Cement, sand, and water
3. Water and salt
4. Oxygen and water
5. Minerals, organic materials, air, water, and living organisms (Soil), etc.
LESSON 2 – REASONS FOR MIXTURES
1. To prepare food and drinks.
2. To make building materials.
3. To produce useful products.
4. To improve the quality of materials.
5. To make work easier.
6. To make farm manure.
7. To make medicines.
8. Other include – Taste, Satisfaction, Feeding, Moulding, etc.
FORMING NEW THINGS AND MATERIALS
Mixing substances can help us make useful materials such as:
1. Concrete (cement + sand + water)
2. Paint mixtures
3. Dough for baking
4. Soft drinks
5. Custard and pap
LESSON 3 – WEEKLY ASSESSMENT QUESTIONS AND ANSWERS
A. Answer the Questions
1. What is a mixture?
2. Mention three examples of common mixtures.
3. State two reasons for making mixtures.
4. Give two examples of other mixtures.
5. Mention one material formed by mixing substances.
B. Fill in the Blanks
6. A __________ is formed when two or more substances are combined.
7. Sugar and water is an example of a __________.
8. Cement, sand, and water are mixed to form __________.
9. People mix substances to make useful __________.
10. Rice and beans is a common __________.
C. True or False
11. A mixture is made from only one substance. ______
12. Salt and water form a mixture. ______
13. Mixtures can be used to make useful materials. ______
14. Rice and beans is not a mixture. ______
15. Concrete is formed by mixing cement, sand, and water. ______
D. Matching
Match the mixtures with their uses:
16. Sugar and water → A. Food
17. Cement, sand, and water → B. Drink
18. Flour and water → C. Building material
19. Rice and beans → D. Dough making
20. Milk and cocoa → E. Beverage
ANSWER KEYS
1. A mixture is a combination of two or more substances.
2. Salt and water, sugar and water, rice and beans (any three).
3. To prepare food and drinks; to make useful materials (any two).
4. Flour and water, milk and cocoa, paint and thinner (any two).
5. Concrete, dough, paint, soft drink (any one).
6. mixture
7. mixture
8. concrete
9. products/materials
10. mixture
11. False
12. True
13. True
14. False
15. True
16. B. Drink
17. C. Building material
18. D. Dough making
19. A. Food
20. E. Beverage
SUMMARY
Pupils learned that a mixture is made when two or more substances are combined. They also learned examples of mixtures, reasons for mixing substances, and how mixtures help in forming useful materials.
PRESENTATION
To deliver the lesson, the teacher adopts the following steps:
1. The teacher displays materials such as salt, sugar, water, sand, rice, and beans.
Pupils’ Activities: The pupils observe and identify the materials.
2. The teacher asks pupils if they have ever mixed substances such as sugar and water or rice and beans.
Pupils’ Activities: The pupils respond and share their experiences.
3. The teacher explains that when two or more substances are combined together, a mixture is formed.
Pupils’ Activities: The pupils listen attentively.
4. The teacher introduces the topic: Mixture.
Pupils’ Activities: The pupils repeat the topic.
5. The teacher demonstrates simple mixtures such as:
- Salt and water
- Sugar and water
- Rice and beans
Pupils’ Activities: The pupils observe and identify the mixtures.
6. The teacher explains examples of common mixtures and other mixtures found at home and in the environment.
Pupils’ Activities: The pupils mention additional examples.
7. The teacher discusses reasons for mixing substances, such as preparing food, making drinks, and producing building materials.
Pupils’ Activities: The pupils give examples of mixtures they know.
8. The teacher explains how mixtures help in forming useful materials such as concrete, dough, paint, and beverages.
Pupils’ Activities: The pupils observe samples or pictures and ask questions.
9. The teacher writes key points on the board for pupils to copy.
Pupils’ Activities: The pupils copy into their notebooks.
10. The teacher summarizes the lesson by revising the meaning, examples, reasons, and uses of mixtures.
Pupils’ Activities: The pupils participate in the summary and answer oral questions.
CONCLUSION
To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson.
NEXT LESSON
LESSON EVALUATION
Teacher asks pupils,
1. What is a mixture?
2. Mention three examples of common mixtures.
3. State two reasons for making mixtures.
4. Give two examples of mixtures used in homes.
5. Mention one material formed through mixing.
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About The Author
Alabi M. S.
Michael is a Principal Education Officer at LASUBEB with over 15 years of experience in teaching and learning. He is passionate about developing plan lesson notes and promoting quality assurance in education. Michael strongly believes that teachers inspire the future and play a vital role in shaping the next generation.