Kinematics · SHS2 Physics

Lesson notes

Learning Objectives

Indicator: 2.1.3.LI.1 - Explain circular motion and give some examples of circular motion.

By the end of the lesson, learners can:

Define circular motion as the motion of an object along a circular path with a constant or varying speed.
Distinguish between uniform circular motion (constant speed) and non-uniform circular motion (changing speed).
Identify the radius, centre and path of circular motion in at least three different everyday situations.
Explain in their own words how circular motion keeps the Earth in its path around the Sun, using the ideas of constant speed and changing direction.
Give at least five original examples of circular motion from Ghanaian life, sports and nature, and justify why each qualifies as circular motion.

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Curriculum details

Strand: Mechanics and Matter (Strand 1)
Sub-strand: Kinematics (1.3)
Content standard: 2.1.3.CS.2 - Demonstrate knowledge and understanding of circular motion. 2.1.3.LO.2 Use the concept of circular motion to explain how the earth is kept in its path.
Indicator: 2.1.3.LI.1 - Explain circular motion and give some examples of circular motion.
Suggested placement: Semester 1, Week 9 (Week 9 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. 101

Exemplars (from the NaCCA curriculum)

Collaborative learning: In mixed-ability groups, let learners watch videos on uniform circular motion and come out with their observations.
Foster an inclusive and respectful classroom culture and address bias in teaching materials and examples.
Assessment (2.1.3.AS.1). The document marks these depth-of-knowledge levels for this indicator: Level 1 Recall; Level 2 Skills of conceptual understanding.
Teaching and Learning Resources:
- Audio-visuals
- Internet
- Projectors
- YouTube
- Interactive virtual laboratory