Forces and Movement · B2 Science

Lesson notes

Learning Objectives

Indicator: B2.4.3.2.1 - Identify simple machines used for specific work

By the end of the lesson, learners can:

Identify at least five simple machines (scissors, bottle opener, forceps, claw hammer, screwdriver) by name when shown the object or a picture of it.
Match each simple machine to the specific work it performs (for example, scissors for cutting cloth, bottle opener for removing bottle tops).
Sort and classify a collection of everyday objects into simple machines and non-machines, giving a reason for each choice.
Demonstrate the correct and safe use of common simple machines such as scissors, a bottle opener, and a screwdriver.
Draw and colour one favourite simple machine and write or say one sentence about the work it helps them do.

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Curriculum details

Strand: Forces and Energy (Strand 4)
Sub-strand: Forces and Movement (4.3)
Content standard: B2.4.3.2 - Recognise some simple machines and their advantages of making work easier
Indicator: B2.4.3.2.1 - Identify simple machines used for specific work
Suggested placement: Term 3, Week 1 (Week 25 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. 44
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

- Display simple machines, e.g. pair of scissors, bottle openers, forceps, claw hammer, screw driver, etc.
- Learners in groups identify the simple machines displayed
- Demonstrate how to use simple machines to learners
- Provide learners with the following: a piece of cloth, a nail stuck in wood, a bottle of soft drink, a screw in a piece of wood
- Learners identify and use specific simple machine for removing bottle tops, cutting a piece of cloth, removing a nail stuck in wood and removing screw from a piece of wood
- Individually or in groups, learners draw their favorite simple machines and colour them.
- Show video and pictures of simple machines in their everyday life.
- Learners create simple machines from cardboards
- Ask learners the machines they will use to do the following activities: weeding, sweeping, digging, tightening a bolt and knot, and explain why