Water
Q.1. What fraction of earth is covered with water?
Q.2. Why is earth called a watery planet?
Q.3. Where is the most water on earth present?
Q.4. Why cannot we use water present in oceans and seas?
Q.5. What are the uses of water?
Q.6. Where do we get water from?
Q.7. What is the water cycle?
Q.8. What is evaporation?
Q.9. Two balls are kept, one in sun and the other in shade. Whose water dries faster?
Q.10. Does evaporation depend on wind?
Q.11. What are the factors on which evaporation depends?
Q.12. What is transpiration?
Q.13. What is condensation?
Q.14. How are clouds formed?
Q.15. What is precipitation?
Q.16. What is rain?
Q.17. What are the four steps involved in the water cycle?
Q.18. What is a fog?
Q.19. What is a dew?
Q.20. What is drought?
Q.21. What is famine?
Q.22. Name the three states which are drought prone.
Q.23. What are floods?
Q.24. What are the ways by which we can conserve water at home?
Q.25. What is rainwater harvesting?
Q.26. What are the two ways of rainwater harvesting?
Q.27. What is drain harvesting?
Q.28. What is Roof Top Rainwater harvesting?
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