Q1. Fill in the blanks.
i. People obtain groundwater through ___________ and_____________.
ii. Three forms of water are _________, _________and ________.
iii. The water bearing layer of the earth is ______________.
iv. The process of water seepage into the ground is called____________.
v. The amount of water recommended by the United Nations for drinking, washing, cooking and maintaining proper hygiene is a minimum of ____________per person per day.
i. The freshwater stored in the ground is much more than that present in the rivers and lakes of the world. ________
ii. Water shortage is a problem faced only by people living in rural areas. ________
iii. Water from rivers is the only source for irrigation in the fields. ______
iv. Rain is the ultimate source of water. ________
v. Bawri was the traditional way of collecting water. _________
Q3. When is water day celebrated?
Q4. What is ground water?
Q5. What is infiltration?
Q6. Why do we celebrate world water day?
Q7. What is aquifer?
Q8. What are the main processes involved in the water cycle?
Q9. Why is the water cycle important?
Q10. What is the source of groundwater?
Q11. How is water supplied in town?
Q12. What is rainwater harvesting?
Q13. You have been asked to maintain a garden. How will you minimise the use of water?
Q14. There are ten tube wells in a lane of fifty houses. What could be the long term impact on the water table?
Q15. How can farmer use water economically?