Forces and Movement · B3 Science

Lesson notes

Learning Objectives

Indicator: B3.4.3.2.1

By the end of the lesson, learners can:

Identify at least four common simple machines found in their homes and community.
Explain why simple machines need regular care and maintenance.
Demonstrate at least three basic maintenance practices, such as oiling, cleaning, and drying tools after use.
Describe what happens when simple machines are not properly cared for.
Practise storing simple machines safely in the correct place after use.

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Curriculum details

Strand: Forces and Energy (Strand 4)
Sub-strand: Forces and Movement (4.3)
Content standard: B3.4.3.2 - Recognise some simple machines used for making work easier, analyse their advantages and know their uses. e.g. levers, inclined planes and pulleys
Indicator: B3.4.3.2.1 - Demonstrate how to maintain and care for 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 Curriculum (Basic 1-3), 2019, p. 59
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

- Assemble simple machines commonly used in the community such as a pair of scissors, knife, bottle opener, tin cutter, and hammer.
- Learners identify the simple machines provided and talk about their uses.
- Engage learners to mention how simple machines are maintained and stored in their homes.
- Assist learners to undertake some basic maintenance practices such as oiling, removing dirt and greasing, using them for the correct purpose, keeping them safe from water, etc.