1) What is light? a) A form of energy that travels in wiggly lines. b) A form of energy that travels in straight lines. 2) What is darkness? a) The absence of light b) Artificial light c) When light is reflected off a surface 3) Select all the artificial sources of light a) Sun b) Torch c) Lightening d) Light bulb e) Window 4) What is the main source of light on Earth? a) Sun b) Moon c) Light bulb 5) Why is the Sun important? a) So you can get a suntan b) So we know when to wake up c) Life on Earth could not exist without it d) So I can wear sunglasses and look cool 6) Are reflectors a light source? a) Yes b) No 7) Select all light reflectors a) Candle b) Lighthouse c) Moon d) Mirror e) Lamp f) Glitter

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