Circles of Light: The Mathematics of Rainbows: Explains reflection, refraction, and how together they make a rainbow.
Colours of the Rainbow: Information on the rainbow occurrence and tasks and experiments to do.
Rainbows: Gives an explanation of rainbows and how they occur.
The Rainbowmaker: Pictures of rainbows, and how to make rainbows.
Weather Photography: Many photographs of colourful rainbows from the Australian Severe Weather Photography collection.
What is a Rainbow?: Where older students can learn about "one of the most spectacular light shows observed on earth."
Why are There Rainbows?: Physics explanation of rainbows.