SHS2 Applied Technology · Semester 2 Week 16: Electronic Components and Circuits

Lesson notes

Learning Objectives

Indicator: 2.5.2.LI.4 - Describe the types of cells and their functions in circuits.

By the end of the lesson, learners can:

Define a cell and explain the composition of a simple cell (electrodes and electrolyte).
Identify and describe at least four types of cells, distinguishing between primary (non-rechargeable) and secondary (rechargeable) cells.
Explain the function of a cell in an electric circuit, including how it provides the electromotive force (EMF) that drives current.
Compare the voltage ratings and typical applications of common cells such as dry cells, lead-acid cells, nickel-metal hydride (NiMH), and lithium-ion cells.
Select an appropriate type of cell for a given circuit application and justify the choice based on voltage, capacity, and rechargeability.

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Curriculum details

Strand: Electrical and Electronic Technology (Strand 5)
Sub-strand: Electronic Components and Circuits (5.2)
Content standard: 2.5.2.CS.1 - 2.5.2.CS.1 Demonstrate understanding of Transistors as electronic devices and apply them in designing electronic circuits. 2.5.2.LO.1 Demonstrate knowledge and understanding of electronic components and use them to design and construct electronic circuits.
Indicator: 2.5.2.LI.4 - Describe the types of cells and their functions in circuits.
Suggested placement: Semester 2, Week 16 (Week 36 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: NaCCA curriculum document, p. 122

Exemplars (from the NaCCA curriculum)

Collaborative Learning: Use videos and pictures engage learners in mixed ability groups to undergo the following activities:
1. Define cell
2. Outline the types of cell
3. Explain the function of cells
Research and Collaboration: Organise the learners into mixed ability or gender inclusive groups, task them to:
1. Define a cell and explain the composition of cells.
2. Discuss the various types of cells.
3. Explain how cells function in circuits

Assessment (2.5.2.AS.4). The document marks these depth-of-knowledge levels for this indicator: Level 2 Skills of conceptual understanding; Level 3 Strategic reasoning.

Teaching and Learning Materials:
- Computers installed with multism software
- Resistors, Capacitors, Inductors
- multimeters
- the use of the internet