1) ...….. is the device used to measure the temperature  a) anemometer b) thermometer c) ruler 2) ...….. is the return back of light when it reaches a surface. a) sound b) reflection 3) The following symbols refers to that weather is ..... a) partly cloudy b) windy c) sunny 4) The ..... is used to show us the condition of sky and wind. a) story b) magazine c) weather map 5) When the anemometer moves fast, the weather is ........... a) very windy b) sunny c) cloudy 6) The unit of measuring temperature is ....... a) kilogram b) degree Celsius 7) ...………. needs electricity to work a) television b) book c) door 8) The ........... from fish that live in river nile. a) crocodile b) lion c) tilapia 9) ...……. blocks and reflect the light. a) book b) glass c) mirror 10) ...….. is an transparent object. a) book b) glass c) mirror 11) Light travels in ....... lines a) straight b) zigzag c) curved 12) Anything related to water is called ...... a) birds b) aquatic 13) Crocodile eats ....... a) fruits b) fish 14) ...….. is a natural source of water. a) puddle b) water pump c) water faucet 15) White desert is caused by ........ a) water erosion b) wind erosion 16) Water and mud flowing is caused by ....... a) wind erosion  b) water erosion 17) ...….. is a form of energy that can be seen a) light b) sound 18) ...…… is produced by vibration of objects. a) light b) sound 19) ...……. sound tell us to wake up. a) door bell b) alarm clock 20) In traffic light , ....... light means go. a) red b) yellow c) green

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