Dynamics · SHS1 Physics

Lesson notes

Learning Objectives

Indicator: 1.1.4.LI.3 - State Pascal’s principle.

By the end of the lesson, learners can:

State Pascal’s principle in their own words, correctly identifying that pressure applied to an enclosed fluid is transmitted equally in all directions.
Explain how Pascal’s principle applies to the hydraulic press and vehicle brake systems introduced in Week 12.
Describe everyday situations in Ghana where Pascal’s principle is at work, such as hydraulic lifting equipment and braking systems.
Work collaboratively in mixed-ability groups to demonstrate Pascal’s principle using a simple syringe-and-water model.
Appreciate that scientific principles like Pascal’s were discovered by people from diverse backgrounds, and that physics skills are valuable for all genders and abilities.

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Curriculum details

Strand: Mechanics and Matter (Strand 1)
Sub-strand: Dynamics (1.4)
Content standard: 1.1.4.CS.2 - Demonstrate knowledge and understanding of pressure. 1.1.4.LO.2 Recognise pressure as an agent of force.
Indicator: 1.1.4.LI.3 - State Pascal's principle.
Suggested placement: Semester 1, Week 13 (Week 13 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.
Source document note: The official curriculum document has a fault in this entry, so the curriculum text above is transcribed exactly as printed:

content standard text - p.43: the document prints this content standard code as 1.1.4.CS.1
Curriculum reference: NaCCA curriculum document, p. 43

Exemplars (from the NaCCA curriculum)

Let learners brainstorm to state Pascal's principle from the video/simulation
Encourage the appreciation and valuing of the skills and abilities of individuals from diverse backgrounds, including gender, race, ethnicity, socioeconomic status, and disabilities.
Assessment (1.1.4.AS.3). The document marks these depth-of-knowledge levels for this indicator: Level 1 Recall.
Teaching and Learning Resources:
- Audio-visuals
- Internet
- Projectors
- YouTube
- Interactive virtual laboratory