Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

Light is a form of
Light travels in lines
An object which gives out light is called
Non-luminous objects are seen as a result of light from them
Red, , yellow, , blue, , and violet are the colours of white light
White light is separated into these colours by
A mirror light
Light is as it passes from air to water
A magnifying glass uses refraction to objects