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Worksheet: Water - A Precious Resource Notes | Study Science Class 7 - Class 7

Document Description: Worksheet: Water - A Precious Resource for Class 7 2022 is part of Science Class 7 preparation. The notes and questions for Worksheet: Water - A Precious Resource have been prepared according to the Class 7 exam syllabus. Information about Worksheet: Water - A Precious Resource covers topics like and Worksheet: Water - A Precious Resource Example, for Class 7 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Worksheet: Water - A Precious Resource.

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Q.1. True/False
(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.

Q.2. 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.

Q.3. What is infiltration?

Q.4. What is aquifer?

Q.5. Why is the water cycle important?

Q.6. How is water supplied in town?

Q.7. Why do we celebrate world water day?

Q.8. What are the main processes involved in the water cycle?

Q.9. What is the source of groundwater?

Q.10. Why is the water cycle important?

Q.11. There are ten tube wells in a lane of fifty houses. What could be the long term impact on the water table?

Q.12. You have been asked to maintain a garden. How will you minimise the use of water?

Q.13. How can farmer use water economically?

Q.14. Explain how groundwater is recharged?

Q.15. Why are we left only tiny fraction of water for use even if about 71 % of the earth surface is covered with water?

Q.16. How increasing industries are responsible for depletion of water table?

Q.17. What will consequences if water is not available to plants?

Q.18. From where do people in villages get water?

Q.19. Explain the three form of water that exists in nature.

Q.20. List some methods to conserve water.

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