Simple Machines — Meaning, Examples and Importance | Primary 1 Basic Science Term 3 Week 2

Week 2: Simple Machines

Subject: Basic Science and Technology  |  Class: Primary 1  |  Term: 3rd Term

Learning Objectives

By the end of the lesson, most of the pupils should be able to:

  1. Explain the meaning of simple machine.
  2. Identify and give examples of simple machines.
  3. Analyse the importance of simple machines in their communities.

Entry Behaviour

The pupils can state the uses of simple machines at home and in the school.

Instructional Materials

  • Broom
  • See-saw
  • Hoe
  • Cutlass
  • Can opener
  • Spoon

Lesson 1 — Meaning of Simple Machines

A simple machine is a device that makes work easy.

Examples of Simple Machines

  • Broom
  • Spoon
  • See-saw
  • Hoe
  • Cutlass

Lesson 2 — Importance of Simple Machines

Simple machines make work easier. They are important for:

  1. Eating foods — e.g. spoon and fork
  2. Cutting — e.g. knife, cutlass, axe, scissors
  3. Sweeping — e.g. broom
  4. Grinding — e.g. blender, grinding stone, mortar and pestle
  5. Carrying — e.g. bucket, basket, wheelbarrow
  6. Fetching water — e.g. bucket
  7. Hanging clothes — e.g. hanger
  8. Fastening objects — e.g. rope, chain
  9. Hitting — e.g. hammer, stone

Lesson Evaluation

  1. Define machine.
  2. Name 5 examples of simple machines.
  3. Mention 5 importance of simple machines with examples.

Weekly Assessment

  1. Simple machine is a device that makes work _________.   A. easy   B. medium   C. hard
  2. _________ is a device that makes work easy.   A. Simple   B. Machine   C. Simple machine
  3. _________ is a simple machine used for sweeping.   A. Fork   B. Rake   C. Broom
  4. _________ is a simple machine used for eating.   A. Spoon   B. Knife   C. Broom
  5. _________ is a simple machine used for cutting grass.   A. Knife   B. Cutlass   C. Axe
  6. _________ is used for hitting nail.   A. Cup   B. Hammer   C. Spoon
  7. _________ is used for fetching water.   A. Bucket   B. Basket   C. Cup
  8. _________ is used for hanging clothes.   A. Rope   B. Wood   C. Hanger
  9. _________ are used for pounding yam.   A. Mortar and pestle   B. Blender and grinder   C. Grinding stone and blender
  10. _________ is a modern pepper grinder.   A. Grinding stone   B. Mortar   C. Blender

Next Lesson: The Safe Use of Simple Machines — Week 3

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