Earth, Moon, Sun and MaterialsOnline version Multiple choice questions, related to our solar system and briefly on the materials in the environment by Jashvee Juwaheer 1 The ... is a star a Sun b Planet c Satellite d Globe 2 The rotation of the ... on its axis causes day and night a moon b sun c earth d galaxy 3 Movement of the moon around the earth causes ... a century b week c day d year 4 How many planets do we have in the solar system a 8 b 7 c 9 d 6 5 The sun emits ... energy a heat and sound b heat and light c heat and electrical d heat and kinetic 6 Global warming refers to the gradual increase in a carbon dioxide b methane c nitrous oxide d all of the above 7 Materials can be classified into natural and ... materials a artificial b harmful c green d man-made 8 The temperature on planet Earth is ... a too hot and less cold b too cold and less hot c neither too cold nor too hot d too hot and too cold 9 A year having 366 days is called a ... a leap year b common year c Solar year d new year 10 A milky liquid known as ... is collected from the rubber tree a milk b water c glue d latex