1) light  is a) Electromagnetic waves b) Magnetic waves c) Electric waves 2) What is our main source of light energy a) Stars b) Fire c) Sun 3) How does light travel a) It travels in a straight line b) It travels in wavelengths c) It travels only during the day 4) When light is blocked ,there is a a) Light b) Shadow c) Energy 5) A lamp is ......... source of light a) A Nature  b) An Artifical  c) Normal

light

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