Safe Use of Simple Machines at Home and in School | Primary 1 Basic Science Term 3 Week 3

Week 3: Safe Use of Simple Machines

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

Previous Lesson: Simple Machines — Week 2

Learning Objectives

By the end of the lesson, most of the pupils should be able to use simple machines in a safe way at home and in school.

Entry Behaviour

The pupils can identify some of the dangers of careless use of simple machines such as knife, scissors, blade, and needles.

Lesson 1 — Safe Use of Simple Machines

A simple machine is a device that makes work easy. For example — broom, spoon, knife, etc.

The following are safe ways to use simple machines at home and in school:

1. Do not play with any simple machine.
2. Dispose of them properly if they are broken or no longer useful.
3. Keep them properly after use.
4. Wash after use.
5. Handle with care.
6. Turn off electrical simple machines when not in use.

Lesson 2 — Dangers of Careless Use of Simple Machines

The dangers of careless use of simple machines are as follows:

1. It leads to fire outbreak — e.g. match, lighter, and all electric appliances.
2. It destroys life and properties — e.g. match, lighter, and all electric appliances.
3. It causes bleeding — e.g. knife, cutlass, scissors, needle.
4. It causes temporary or permanent injuries — e.g. all simple machines.
5. It leaves permanent marks or scars — e.g. knife, cutlass, fire.

Lesson Evaluation

1. Mention 3 safe uses of simple machines.
2. Mention 3 dangers of careless use of simple machines.

Next Lesson: Concept of Technology — Week 4