Light & Sound This quiz is here to help you remember all the answers to Light and Sound! Enjoy! :) Thomh023 published on March 05, 2013143 responses 0 Questions in vertical order 1. Which Travells faster Light or Sound? same? Light? Sound? 2. How long does it take for the light from the sun to reach the earth? 8.5 mins? 1.3 sec? None of the above? 3. Do you need light in a toaster? yes? no? Not sure? 4. What is a luminous sorce? walling? glass? projector? 5. What is a none luminous sorce? Walling? Light bulb? None of the above? 6. What does light for a lazer travell through? dust? air? None of the above? 7. What does light travell in? straight lines? diagonal lines? none of the above? 8. have you learnt anything? :) yes? no?