The ray model of light to explain images
These diagnostic questions and response activities (contained in the zip file) support students in being able to:
- Describe what a light ray represents
- Describe the direction in which light travels from a light source
- Describe how light rays are emitted from each point on an extended light source
- Describe how light rays pass through a pinhole
- Explain how an image is formed on a screen behind a pinhole
- Compare the reflection of an object in a plane mirror to how the object looks
- Describe where the reflection of an object appears to be in a plane mirror
- Explain why the reflection of an object in a plane mirror appears to be behind the mirror
- Explain why an object appears back to front in a plane mirror
- Draw a ray diagram to show how an object is seen when reflected in a plane mirror
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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