The Light Unit is divided into two subunits that can be used independently or sequentially, and within a hierarchical curriculum.
Subunit 1 is aimed at an introductory level and takes a ‘ray-based’ approach, whereas Subunit 2 is more appropriate for the higher stages of secondary school and incorporates ‘wave-based’ phenomena.
Light is a subject area that often involves curriculum-prescribed demonstrations and experiments. For example the dispersion of white light by a prism and image formation by lenses. The activities presented in this unit are suitable for demonstrations / experiments in a format consistent with an IBSE approach.