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JSS2: BASIC SCIENCE - 2ND TERM

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  1. Types of Energy | Week 1, 2 & 3
    4 Topics
    |
    1 Quiz
  2. Thermal Energy | Week 4 & 5
    5 Topics
    |
    1 Quiz
  3. Crude Oil and Petrochemicals | Week 6 & 7
    5 Topics
    |
    1 Quiz
  4. Simple Machines | Week 8 & 9
    10 Topics
    |
    1 Quiz
    1. Concept of Machines
    2. Lever
    3. Wheel and Axle
    4. The Screw Thread
    5. The Pulley System
    6. The Inclined Plane and Wedge
    7. Machine Elements
    8. Maintenance of Machines
    9. Efficiency of Machines
    10. Calculations Involving Machines

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JSS2: BASIC SCIENCE – 2ND TERM Simple Machines | Week 8 & 9
Lesson 4 of 4
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Simple Machines | Week 8 & 9

Performance Objectives

  • Concept of machines: simple and complex
  • The lever
  • Wheel and axle
  • The screw
  • Pulley system
  • The inclined plane and wedge
  • Machine elements
  • Gears and gearing
  • Belt and chain drivers
  • Brakes and clutches
  • Maintenance of machines
  • Efficiency of machines
  • Calculation involving machines.
Lesson Content
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