1) Which of these is a light source? a) Mirror b) Moon c) Window d) Table e) Pizza f) Sun 2) How many times can light travel around the world in 1 second? a) 10 b) 5 c) 2 d) 8 e) 3 f) 9 3) Which travels the fastest? a) Light b) Sound 4) How does light travel? a) Straight lines b) Curvy lines 5) What is the name given to a lot of light rays which are travelling together? a) Light ray b) Light line c) Light spray d) Light beam e) Light wave 6) How long does it take light to reach us from the Sun? a) 4.5 minutes b) 6 seconds c) 8.5 minutes d) 10 minutes e) 5 seconds f) 3.5 minutes

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