Force and Motion · JHS1 Science

Lesson notes

Indicator: B7.4.4.2.1 - Identify simple machines.

By the end of the lesson, learners can:

Define a simple machine and distinguish it from a complex machine.
List at least six examples of simple machines found in their homes, school and community.
Categorise given tools or devices as either simple machines or complex machines, giving a reason for each choice.
Classify simple machines into their basic types (lever, pulley, wheel and axle, inclined plane, wedge and screw) using everyday objects as examples.
Work in groups to identify and present the simple machines used in a common Ghanaian workplace or activity.

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Strand: Forces and Energy (Strand 4)
Sub-strand: Force and Motion (4.4)
Content standard: B7.4.4.2 - Recognise some simple machines, and show understanding of their efficiency in doing work.
Indicator: B7.4.4.2.1 - Identify simple machines.
Suggested placement: Term 3, Week 4 (Week 28 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Science, Common Core Programme (JHS1-JHS3), 2023, p. 38
Transcribed from the official NaCCA publication. Check this page against the source.

1. List examples of simple machines.