TWAU REVISION

Class 3 EVS – Chapter 7: Water – A Precious Gift

Maximum Marks: 64

SECTION A – Observation & Reporting (26 Marks)

VSA (10×1=10)

1. Name two sources of water.
2. What falls from the sky?
3. Name one water storage vessel.
4. Where does well water come from?
5. Name one water body near you.
6. Which season requires more water?
7. What is a tanker?
8. Name one use of water.
9. What happens to rainwater after it falls?
10. Why is water precious?

SA (2×3=6)
11. How does rainwater reach rivers?
12. Why do we store water?

LA (2×5=10)
13. Explain how water reaches our homes.
14. Write five ways to save water.

Answers:

1. River, Well (any two)
2. Rain
3. Bucket / Tank / Bottle (any one)
4. Underground water
5. Pond / River / Lake (any one)
6. Summer
7. A vehicle that supplies water
8. Drinking / Cooking / Washing (any one)
9. It gets absorbed, flows to rivers, or collects in ponds
10. Because it is essential for life

11. Rainwater flows into streams and then joins rivers.
12. We store water because we do not get it all the time.

13. Water comes from rivers or wells, is stored in tanks, and supplied through pipes to our homes.
14. Close taps, reuse water, fix leaks, use bucket instead of shower, collect rainwater.

SECTION B – Identification & Classification (20 Marks)

VSA (10×1=10)

15. River is natural or man-made?
16. Tap water comes through ______.
17. Well water is drawn using ______.
18. Pond is a type of ______ body.
19. Bucket is used for ______ water.
20. Sea water is salty or sweet?
21. Tank stores water on the ______.
22. Hand pump draws ______ water.
23. Lake is bigger than pond. (Yes/No)
24. Water in wells comes from underground. (True/False)

SA (2×3=6)
25. Differentiate between pond and river.
26. Name two water storage containers.

LA (2×5=10)
27. Explain underground water.
28. Importance of clean drinking water.

Answers:

15. Natural
16. Pipes
17. Pulley / Pump
18. Water
19. Storing
20. Salty
21. Roof
22. Underground
23. Yes
24. True

25. Pond is small and still water; river flows continuously.
26. Bucket and Tank (any two)

27. Underground water is stored between soil and rocks below the ground.
28. Clean water prevents diseases and keeps us healthy.

SECTION C – Discovery of Fact (18 Marks)

VSA (10×1=10)

29. Water comes down as ______.
30. Water stored on roof is in a ______.
31. We cannot live without ______.
32. Water flowing in stream joins a ______.
33. Dirty water should not be used for ______.
34. Water stored underground is called ______ water.
35. Water helps plants to ______.
36. We should ______ water whenever possible.
37. Water shortage happens when there is less ______.
38. Every drop of water ______.

SA (2×3=6)
39. Why do some areas face water shortage?
40. Why does every drop count?

LA (2×5=10)
41. Explain basic water cycle.
42. Write role of water in daily life.

Answers:

29. Rain
30. Tank
31. Water
32. River
33. Drinking
34. Underground
35. Grow
36. Reuse
37. Rainfall
38. Counts

39. Due to less rainfall and overuse of water.
40. Because water is limited and essential for life.

41. Sun heats water → evaporation → clouds → rain.
42. Drinking, cooking, cleaning, farming, washing.