What is light?, A form of electromagnetic energy that allows us to see the world., A type of energy produced only by the Sun., How does light travel?, In waves that always bend when moving through the air., In a straight line and very fast, What is the wavelength range of visible light?, About 200 to 800 nanometres., About 400 to 700 nanometres., What happens to white light when it passes through a prism or water drops?, It is refracted and separated into different colours., It changes colour uniformly into one colour (e.g., blue)., Which colour of white light is bent the most during refraction?, Violet, Green, How is a rainbow formed?, Sunlight enters water drops, is refracted, internally reflected, and then exits separated into colours., Sunlight is scattered randomly by water drops, forming colours in the sky..

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