Waves

Curriculum details

Strand

Energy (Strand 2)

Sub-strand

Waves (2.2)

Content standard

1.2.2.CS.3 - Demonstrate knowledge and understanding of refraction. 1.2.2.LO.3 Explain refraction and recognise its relevance in different media.

Indicator

1.2.2.LI.1 - Explain refraction and state the laws of refraction.

Suggested placement

Semester 2, Week 1 (Week 21 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. 56

Exemplars (from the NaCCA curriculum)

Collaborative learning:
- Ask learners to pour water into a basin and dip a stick or a pencil obliquely into the basin of water and let learners record and discuss their observations.
- Let learners place a coin at the bottom of a bowl filled with water and record and discuss their observations.
- Learners through simulation or Interactive virtual laboratory, watch how rays are refracted. Guide learners to state the laws of refraction.
Promote inclusive language and communication.
Assessment (1.2.2.AS.1). The document marks these depth-of-knowledge levels for this indicator: Level 2 Skills of conceptual understanding; Level 3 Strategic reasoning.
Teaching and Learning Resources:
- Bowl/ basin
- Stick
- audio-visual
- internet projectors
- Interactive virtual laboratory