Powering the Future with… · SHS3 General Science

Lesson notes

Learning Objectives

Indicator: 3.3.1.LI.1 - Explain the concept of light energy and its uses.

By the end of the lesson, learners can:

Define light energy as a form of energy that travels in straight lines and can be detected by the eye.
Identify at least four sources of light energy, distinguishing between natural and artificial sources.
Categorise at least three domestic uses and three industrial uses of light energy from everyday Ghanaian life.
Explain, using a simple diagram or demonstration, how light travels in straight lines.
Justify the importance of light energy in nature, including photosynthesis and vision, using reasoning and examples.

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Curriculum details

Strand: Vigour Behind Life (Strand 3)
Sub-strand: Powering the Future with Energy Forms. (3.1)
Content standard: 3.3.1.CS.1 - Demonstrate understanding of light energy, its sources and generation. 3.3.1.LO.1 Analyse light energy and its uses in nature.
Indicator: 3.3.1.LI.1 - Explain the concept of light energy and its uses.
Suggested placement: Semester 1, Week 20 (Week 20 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.102: this is a second content-standard block printed with the already-used code 3.3.1.CS.1 in the same sub-strand; the distinct standard text and its indicators are retained
Curriculum reference: NaCCA curriculum document, p. 102

Exemplars (from the NaCCA curriculum)

Group work: Guide learners to revise through brainstorming (review from B7.4.1.3 in JHS curriculum) in differentiated learning groups, the concept of light energy and discuss the domestic and industrial uses of light.
Teaching and Learning Resources:
- Pictures, videos and charts showing the concept of light, PHET simulations
- Simulations,
- Realia of lenses and mirrors,
- Videos, charts and models.
Assessment (3.3.1.AS.1). The document marks these depth-of-knowledge levels for this indicator: Level 3 Strategic reasoning.