Materials Used in Technology – Meaning of Materials | Types of Materials | Uses of Different Materials Used in Technology

LESSON – MATERIALS USED IN TECHNOLOGY 

TOPIC

  • Meaning and Types of Materials Used in Technology
  • Uses of Materials Used in Technology

 

INTRODUCTION 

Technology is the application of scientific knowledge for practical purposes of human life.

Technology includes all electrical and mechanical devices.

Computer, television, radio, scissor, comb, etc are good examples the products of technology.

Products of technology are made with types of materials such as wooden, iron or plastic materials.

 

MEANING OF MATERIALS

Materials are resources used in making products of technology.

 

TYPES OF MATERIALS 

There are 3 types of materials used in technology,

1. Wood materials

2. Metal materials

3. Plastic materials

 

1. WOODEN MATERIALS 

Wooden materials are the products of technology made from the wood.

Examples of wooden materials are as follows:

  • bows and arrows
  • shelter
  • canoes
  • furniture
  • doors and windows
  • pallets
  • bridges
  • electric poles, etc.

 

ASSIGNMENT

Find out 5 products made from the following:

1. wooden materials

2. metal products

3. plastic materials

 

METAL AND WOODEN MATERIALS 

2. METAL MATERIALS 

Examples of metal materials are as follows:

  • bolts and nuts
  • chairs and tables
  • tools
  • cylinder
  • pipes
  • roofing sheets
  • pots
  • spoons
  • containers, etc.

 

3. PLASTIC MATERIALS 

Examples of plastic materials are as follows:

  • rulers
  • toothbrushes
  • electronics
  • shirt and blouses buttons
  • plastic pipes, etc.

 

USES MATERIALS USED IN TECHNOLOGY 

The uses of materials used in technology are as follows:

1. They are used for building houses, schools, hospitals, etc.

2. They are used for making toys.

3. They are used for making machines such as generators, car, etc.

4. They are used decoration.

5. They are used for design.

6. They are used for lifting heavy objects.

7. They are used for making cutleries – plates, spoons, knives, etc.

8. They are used for making tools such as screwdrivers, hammer, etc.

9. They are used for making security tools.

10. They are used for protection.

 

LESSON EVALUATION 

Answer all the questions in section A and B, respectively.

SECTION A – OBJECTIVE QUESTION 

1. _________ are resources used in making products of technology.

A. Mathematics

B. Materials

C. Metal

 

2. _________ materials are sed for making our class chair and desks.

A. plastic

B. metal

C. wood

 

3. _________ materials are sed for making your teacher’s chair and tables.

A. plastic

B. metal

C. wood

 

4. _________ materials are sed for making ceiling fan.

A. plastic

B. metal

C. wood

 

5. _________ materials are sed for making classroom doors and windows.

A. metal

B. wood

C. plastic

 

6. _________ materials are sed for making tanks and containers.

A. plastic

B. metal

C. wood

 

7. _________ materials are sed for making engines.

A. metal

B. wood

C. plastic

 

8. An object can be made of one, two or more materials.

A. True

B. False

C. No

 

9. Doors and windows can be made with _________ materials.

A. metal

B. wooden

C. metal or wood

 

10. Doors and windows cannot be made with _________ materials.

A. metal

B. wood

C. plastic

 

SECTION B – THEORY QUESTIONS 

1. explain the meaning of Materials used in technology.

2. list 3 types of materials used in technology.

3. state 5 uses of each of the following:

  • wood materials
  • metal materials
  • plastic materials

4. differentiate between the products of technology made from wooden, metal and appropriate examples.

 

 

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