Big Idea: Waves carry information without causing a permanent change on the intervening medium. More info...
Browse worksheets, ideas, lesson plans and more for students aged 5-19 and narrow your search using the filters below.
Demonstration: Shows refraction is caused when plane waves change speed as a result of a change in the depth of water in a...
This episode starts from the phenomenon of refraction and moves on to Snell’s law.
The refractive index of Pyrex® glass is the same as that for vegetable oil so as light passes through the glass of both bowls...
Refractive index is a material property that describes how the material affects the speed of light travelling through it.
A selection of videos to use with your KS5 students (ages 16-19) to support and develop their understanding of Light, Sound...
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