Refraction and lenses

These diagnostic questions and response activities (contained in the zip file) support students in being able to:

  • Recall that light can change direction (refract) when it passes across a boundary between transparent media
  • Describe how the angle light passes across a boundary between two transparent media affects how much it is bent (refracted)     
  • Explain why water can appear shallower than it really is      
  • Explain how the shape of a lens enables it to focus light      
  • Explain how light from an object can be focused by a converging lens to form a sharp image

The resources include details of common misconceptions and a summary of the research upon which the resources are based.

Download the zip file for all the questions and activities.

More resources like this can be found on the BEST webpage:  Best Evidence in Science Teaching

 

 

 

 

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