The demonstration of refraction using a ripple tank is tricky, and it is a good idea to practise this.
At introductory level, simple experiments can help students to realize that light travels in straight lines and that an object...
For these pupils there is no sense of light travelling and entering the eye.
How to: separate reflection and refraction; avoid restricting the idea of reflection to shiny surfaces; not conflate beams...
Many pupils come to associate reflection and the law of reflection of light solely with the action of plane mirrors. They are...
Refraction is sometimes referred to as bending light.
There is a tendency for pupils to associate refraction solely with what happens when light passes through rectangular glass...
We're sure you'll find a story like this one to share with your class.
There's a good chance you could improve your teaching if you were to try these strategies.
- make connections to prior studies of reflection, propagation and refraction - exploit the simple idea of being"in-step" -...
Some children are likely to have little idea of light being something that travels in the space between its source (for...
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