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Q.3. If you had a chance, which bridge would you like to use? Why?, , Ans. | would like to use a cement bridge. It is easier to walk on and safe, also., , Q.4. Do you have to cross any bridge on the way to your school? If yes,, what is ther bridge like?, , Ans. | have to cross a cement bridge., , Q.5. Find out from your grandparents, what kind of bridges were there, when they were young?, , Ans. At that time, there were only bamboo and wooden bridges., , PAGE NUMBER 4, , Is there any bridge near your house? Find out more about the bridge., , Q.1. Where is the bridge-over water, over a road, between two, mountains of anywhere else?, , Ans. It is over water., , Q.2. Who all use the bridge? Is it by people on foot, or also vehicles and, animals?, , Ans. It is used by all., Q.3. Find out what materials are used in making this bridge. List them., Ans. Cement, iron rod, sand brick, small stones., , Q.4. Draw a picture of the bridge. Do not forget to draw the train,, vehicles, animals or people who cross the bridge., , Ans. Do yourself, , Q.5. Imagine what difficulties we would face, if the bridge were not, there?, , Ans. People will not be able to cross rivers or drains easily. They will, have to use boats., , Vallam, , Q.1. Have you seen any other kind of boats?, , Ans. Yes, | have seen larger boats with small rooms., , Q.2. Can you think of other ways by which we can travel on water?, , Ans. We can travel on water using motorboats, ships, steamers, etc.