Electricity and Electronics · JHS2 Science

Lesson notes

Learning Objectives

Indicator: B8.4.2.1.1 - Explain how electricity transmission occurs.

By the end of the lesson, learners can:

Identify at least four distinct stages of electricity transmission from generation to consumption.
Explain in their own words what happens at each stage of the transmission process.
Draw a labelled flow chart showing the stages of electricity transmission from the power station to the home.
Describe why voltage is increased for long-distance transmission and then reduced before reaching homes.
Arrange scrambled pictures or cards of transmission stages in the correct order.

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Curriculum details

Strand: Forces and Energy (Strand 4)
Sub-strand: Electricity and Electronics (4.2)
Content standard: B8.4.2.1 - Demonstrate knowledge of electricity transmission
Indicator: B8.4.2.1.1 - Explain how electricity transmission occurs.
Suggested placement: Term 2, Week 10 (Week 22 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. 72
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

1. Identify different stages of electricity transmission.
2. Draw a flow chart to show the stages of electricity transmission from the point of generation to the point of consumption.