Refraction

The main presentation is a PowerPoint with animated sequences showing how light is refracted as it changes speed at a boundary

Support Material
Readme (instructions for whole lesson)
Learning Outcomes (PowerPoint)
Starter Activity (PowerPoint and Worksheet)
Main Activity (PowerPoint with worksheets and answer sheets)
Lesson Notes (hand-out)
Plenary Activity (PowerPoint and worksheet)

It is intended for all science teachers but particularly those who are not physics specialists. It is, primarily, aimed at 14 to 16 year old pupils but can also be used at a higher level as a precursor to a more in-depth study of this topic. Normally, the activities would fill a 45 to 60 minute lesson but could be spread over two lessons if needs be.

If you buy this resource, please print the Readme document as it contains the instructions and details of the files included.

Learning Outcomes
The learning outcomes are based on Bloom’s taxonomy of hierarchical classification: knowledge, comprehension, application, analysis, synthesis and evaluation. The lesson title and learning outcomes are:

How is it possible to tell the difference between diamond and glass?
Learning Outcomes
Knowledge

• to describe how the change in speed of light at a boundary affects its direction
• to recognise that light slows down by different amounts in different transparent materials
  Analysis
• to calculate the change in direction of light at different boundaries

Differentiation
The activities have varying degrees of differentiation; please refer to the Readme document.