1) Light travels in a.............. line. a) Wiggly b) Straight c) Zigzag d) dashed 2) The...............is the main source of light.  a) moon b) sun c) stars d) Torch 3) A torch is a(an) ..................source of light. a) Natural b) Artificial 4) Light travels from the............... to our eyes.  a) sun b) torch c) stars d) the source of light 5) The......... gets its light from the sun a) candle b) planets c) moon d) stars 6) Light is a................. a) form of energy that we can hear b) Form of energy that we can feel c) form of energy that we can see  7) ............is the bouncing back of light when it hits an object. a) Reflection b) Mirror 8) Light is reflected by smooth shiny surface like............ a) Mirror b) Desk c) Door 9) Rainbow is made up of ........colors. a) five b) Seven c) Six

Light

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?