Force and Motion · JHS2 Science

Lesson notes

Learning Objectives

Indicator: B8.4.4.1.1 (Demonstrate simple ways of making magnets and show how magnetic force can be applied in domestic and industrial activities)

By the end of the lesson, learners can:

Describe at least three methods of making magnets (rubbing, stroking, and electrical method) using everyday materials.
Demonstrate the production of a temporary magnet by stroking a piece of iron nail with a bar magnet and test its magnetic property using paper clips or pins.
Demonstrate the production of an electromagnet by coiling a wire around an iron core and connecting it to a battery.
Identify and explain at least four domestic and industrial applications of magnetic force (compass, loudspeaker, doorbell, electric motor, refrigerator magnet, magnetic separator).
Present findings on one additional application of magnetic force to the class, explaining how the magnet is used in that device.

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Curriculum details

Strand: Forces and Energy (Strand 4)
Sub-strand: Force and Motion (4.4)
Content standard: B8.4.4.1 - Demonstrate the production of magnet, domestic and industrial application of Magnetic force and its relationship with Newton's Second law of motion and in everyday life
Indicator: B8.4.4.1.1 - Demonstrate simple ways of making magnets and show how magnetic force can be applied in domestic and industrial activities
Suggested placement: Term 2, Week 12 (Week 24 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. 74
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

1. Produce magnets (using magnetic materials such as pieces of iron and bar magnet; and electricity).
2. Demonstrate some application of magnetic force in domestic and industrial activities (E. g. compass, alarms, loud speakers, etc.).
3. Explore other industrial and domestic applications of magnetic force and present findings.