In this activity the teacher talks through the construction of a simple ray diagram for the formation of a shadow, making...

Classroom Activity 11-14

The following animation follows a step-by-step approach to constructing a ray diagram for the formation of an image by a...

Classroom Activity 11-14

One of the distinctive and interesting features of teaching and learning about light is the way in which ideas and...

Physics Narrative 11-14

An important point to be aware of here is that a ray diagram is a theoretical construction. It something that you draw for a...

Physics Narrative 11-14

Ray diagrams are a predictive model: they are not a representation of beams of light. By following the rules for drawing the...

Physics Narrative 11-14

How to: separate rays (the theoretical constructs) from beams (the physical); connect the predictions of ray models back to...

Teaching Guidance 11-14

Once a ray diagram has been drawn to represent a particular event, it can then be used to predict what will happen if any...

Teaching Guidance 11-14

Beams are what pupils see using lamps, slits and all the other apparatus on the laboratory bench top. Rays and ray drawings...

Teaching Guidance 11-14

When pupils draw ray diagrams in their books you should insist on three things:

Teaching Guidance 11-14

The devices used to cast narrow beams of light across bench tops are often referred to as ray boxes . That cannot be helpful...

Teaching Guidance 11-14

There's a good chance you could improve your teaching if you were to try these strategies...

Teaching Guidance 11-14