Materials and Maintenance

Subject : 

Basic Science and Technology

Term :

Second Term

Week:

Week 10

Class :

Basic 5 / Primary 5

Previous lesson : 

Changes in States of Matter

 

Topic :

Materials and Maintenance

 

 

 

Behavioural objectives :

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

  • Identify materials used in technology (wood, metals, and plastic)
  • State types of wood, metal and plastic
  • Examine the uses of materials in technology
  • Students will understand the properties, uses and applications of different materials in technology

 

Learners Activities

  • Pupils in small groups walk round the class in turns and identify different types of materials that are made of wood, Plastics, and metals
  • Pupils in small groups touch and feel the nature of materials
  • Pupils list the types of wood, metal and plastic
  • Pupils in small group discuss the uses of these materials like wood, metals and plastic

Embedded Core Skills

  • Creativity and Imagination
  • Communication and Collaboration
  • Critical thinking and problem solving
  • Leadership skills and Personal Development

 

Instructional Materials:

  • Wall charts
  • Pictures
  • Related Online Video
  • Flash Cards
  • Pencil and paper
  • Plastic materials
  • Wood materials
  • Metal materials
  • Chart paper,
  • markers,
  • internet access,
  • examples of different materials,
  • visual aids

 

Methods of Teaching :

  • Class Discussion
  • Group Discussion
  • Asking Questions
  • Explanation
  • Role Modelling
  • Role Delegation

 

Reference Materials :

  • Scheme of Work
  • Online Information
  • Textbooks
  • Workbooks
  • 9 Year Basic Education Curriculum

 

Content:

  1. A pencil is a material that needs to be sharpened frequently to maintain its point and continue to write well.
  2. A bicycle is a material that needs to be regularly oiled and adjusted to make sure the gears and brakes work properly.
  3. A house is a material that needs to be painted or re-shingled to protect it from the weather and keep it looking nice.
  4. A plant is a material that needs to be watered and given sunlight to help it grow.
  5. A toy car is a material that needs to be cleaned and fixed if it breaks to continue being fun to play with.
  6. Silicon is a material used in computer chips and other electronic devices to make them faster and more efficient.
  7. Glass is a material used in screens on smartphones, tablets, and computers to make them clear and easy to see.
  8. Copper is a material used in electrical wires and cables to conduct electricity and power technology devices.
  9. Plastic is a material used in many different technology devices, such as keyboards and phone cases, to make them lightweight and durable.
  10. Lithium-ion batteries are a type of material used in smartphones, laptops, and other portable technology devices to store and provide power.

The use of materials like wood, plastic and metals in technology

  1. Wood is a material that is used in the construction of computer desks, tables and shelves. It is strong and durable and can be carved into many different shapes.
  2. Plastic is a material that is used in the making of computer keyboards and phone cases. It is lightweight and durable, and can be molded into many different shapes.
  3. Metals like aluminum and steel are used in the making of laptop and tablet cases, they are lightweight, durable and can be shaped into different forms
  4. Copper is a metal that is used in the making of electrical wires and cables, it is a good conductor of electricity and is used to transmit data and power in technology devices
  5. Gold and Silver are metals that are used in the making of electronic devices like smartphones, laptops, and TVs. They are used as connectors and in the making of microchips in the devices

Uses of Materials

Materials have many different uses in various industries and in everyday life. Some examples include:

  1. Steel is used in the construction of buildings, bridges, and cars. It is strong and durable and can withstand a lot of weight and stress.
  2. Glass is used in windows, mirrors, and screens. It is clear and allows light to pass through, making it useful for lighting and visibility.
  3. Concrete is used in the construction of roads, buildings, and other structures. It is a mixture of cement, water, and aggregates (such as sand and gravel) that hardens over time to create a strong, durable surface.
  4. Paper is used for writing, printing, and packaging. It is made from wood fibers and can be recycled to make new paper products.
  5. Plastic is used in many everyday items, such as bottles, containers, and packaging materials. It is lightweight, durable, and easy to mold into different shapes

 

Types of wood, metal and plastic

  1. Types of Wood:
  • Pine
  • Oak
  • Maple
  • Cedar
  • Mahogany
  • Teak
  1. Types of Metal:
  • Steel
  • Aluminum
  • Copper
  • Gold
  • Silver
  • Iron
  1. Types of Plastic:
  • Polyethylene (PE)
  • Polypropylene (PP)
  • Polyvinyl chloride (PVC)
  • Acrylonitrile butadiene styrene (ABS)
  • Polystyrene (PS)
  • Polycarbonate (PC)
  • Acetal (POM)
  • Nylon (PA)

 

Materials that be found in the classroom that are made of wood, plastic or metal

  1. Wood:
  • Desks
  • Chairs
  • Shelves
  • Whiteboards
  • Bulletin boards
  1. Plastic:
  • Pencil sharpeners
  • Rulers
  • Erasers
  • Staple removers
  • Whiteboard markers
  1. Metal:
  • Scissors
  • Stapler
  • Paper clips
  • Push pins
  • Whiteboard erasers
  • Whiteboard magnets
  • Bookends
  • Door knobs
  • Cabinet handles
  • Lockers

Materials that be found at home that are made of wood, plastic or metal

  1. Wood:
  • Furniture (tables, chairs, sofas, beds, etc.)
  • Cabinets
  • Bookshelves
  • Picture frames
  • Flooring
  1. Plastic:
  • Food storage containers
  • Tupperware
  • Water bottles
  • Toothbrushes
  • Shampoo bottles
  1. Metal:
  • Cooking utensils (pots, pans, knives)
  • Refrigerator
  • Microwave
  • Dishwasher
  • Oven
  • Trash cans
  • Door knobs
  • Cabinet handles
  • Locks
  • Light switch plates
  • Hinges
  • Door stoppers
  • Shower heads

Evaluation

  1. Which material is used in the construction of roads, buildings, and other structures? a) Steel b) Glass c) Concrete d) Paper
  2. Which material is used in the making of computer chips and other electronic devices? a) Wood b) Silicon c) Copper d) Lithium-ion batteries
  3. Which material is used in the making of electrical wires and cables? a) Plastic b) Glass c) Copper d) Steel
  4. Which material is used in the making of computer desks, tables and shelves? a) Wood b) Plastic c) Metal d) Glass
  5. Which material is used in the making of laptop and tablet cases? a) Wood b) Plastic c) Metal d) Glass
  6. Which material is used in the making of smartphones, laptops, and TVs? a) Wood b) Plastic c) Metal d) Glass
  7. Which material is used in the making of keyboards and phone cases? a) Wood b) Plastic c) Metal d) Glass
  8. Which material is used in the construction of buildings, bridges, and cars? a) Steel b) Glass c) Concrete d) Paper
  9. Which material is used in the making of cooking utensils such as pots, pans and knives? a) Wood b) Plastic c) Metal d) Glass
  10. Which material is used in the making of food storage containers, Tupperware and water bottles? a) Wood b) Plastic c) Metal d) Glass
  11. The material used in the construction of roads, buildings, and other structures is __________.
  12. The material used in the making of computer chips and other electronic devices is __________.
  13. The material used in the making of electrical wires and cables is __________.
  14. The material used in the making of computer desks, tables and shelves is __________.
  15. The material used in the making of laptop and tablet cases is __________.
  16. The material used in the making of smartphones, laptops, and TVs is __________.
  17. The material used in the making of keyboards and phone cases is __________.
  18. The material used in the construction of buildings, bridges, and cars is __________.
  19. The material used in the making of cooking utensils such as pots, pans and knives is __________.
  20. The material used in the making of food storage containers, Tupperware and water bottles is __________.
  21. What are the properties of the material used in the construction of roads, buildings, and other structures?
  22. How does the material used in the making of computer chips and other electronic devices affect their performance?
  23. What is the importance of the material used in the making of electrical wires and cables for technology devices?
  24. How does the material used in the making of computer desks, tables, and shelves affect their durability and functionality?
  25. What are the advantages of the material used in the making of laptop and tablet cases?
  26. How does the material used in the making of smartphones, laptops, and TVs affect their performance and durability?
  27. What are the properties of the material used in the making of keyboards and phone cases that makes it suitable for those applications?
  28. How does the material used in the construction of buildings, bridges, and cars affect their strength and durability?
  29. What are the advantages of the material used in the making of cooking utensils such as pots, pans and knives?
  30. How does the material used in the making of food storage containers, Tupperware, and water bottles affect their durability and functionality?

Lesson Presentation

Introduction:

  • Begin by asking students if they know what materials are and what they are used for.
  • Write their answers on chart paper.
  • Introduce the topic of the lesson and explain that today they will be learning about the different materials and their uses in technology.

Body:

  • Divide the class into small groups and assign each group a specific material (wood, metal, plastic).
  • Provide each group with a chart paper and markers.
  • Ask the groups to research and gather information about the properties, uses, and applications of the assigned material in technology.
  • Allow time for the groups to research and gather information.
  • After the groups have completed their research, have each group present their findings to the class.
  • Display any visual aids or examples of the materials during the presentations.
  • After all groups have presented, ask the class if they can identify any other materials that were not covered in the presentations.
  • Write the names of the additional materials on the chart paper.

Conclusion:

  • Summarize the main points that were covered during the lesson.
  • Ask the students if they can think of any other uses for the materials that were discussed in the lesson.
  • End the lesson by reminding the students that materials play an important role in technology and that understanding the properties, uses, and applications of different materials can help them make better decisions when it comes to using technology.

Assessment:

  • Have the students complete a written test that includes multiple-choice, fill-in-the-blank and review questions on the topic.
  • Have the students work on a project individually or in groups that involves creating a prototype of a technology device using one or more of the materials discussed in the lesson.
  • Assess their understanding of the use of materials in technology by observing their participation in class discussions and presentations.

Closure:

  • Encourage students to continue researching materials and their applications in technology.
  • Provide students with additional resources and materials for further learning.
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