In the Introduction to this module, many of the gadgets you looked at use lenses or prisms. This section will help you understand the idea of refraction.
This section consists of an introductory activity followed by four activities related to 'Refraction'.
Finally there is a closing discussion which will help you reflect on what you have investigated.
Introductory activity: What is refraction?
Activity 1: Exploring prisms*
Activity 2: Lenses and images*
Activity 3: Refraction**
Activity 4: Gems***
Summary
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