Sub :- EVS Topic Ch 7 Water (Notebook work)
CH-7 WATER ► New words 1. Diseases 2. Dengue 3. scarcity 4. pollution 5. disposing ► word galaxy 1. glaciers- body of ice that is constantly moving due to its own w eigh t 2. contamination- making impure or unclean. 3. fertilisers- chemical used to improve plant growth. Ex.1 Answer the following questions in one sentence. Q.1 What is potable water? Ans1- Safe drinking water is called potable water. Q.2 In which part of India are taanka’s used for rainwater harvesting? Ans2. taanka’s used in place like Raj a sthan. Q3. What does ‘scarcity of water’ mean? Ans 3 Shortage of water is called water scarcity. Q4. What is the process of water turning into water vapour and then back to water called? Ans4. Water circulates on the Earth in a series of processes called the water cycle. Ex.2 answer the following questions in 2-3 sentences. Q1. State any two methods used to prevent water pollution. Ans. 1. Reducing the use of fertilisers for far