Class 4 EVS Worksheet: Water Cycle

EVS lesson 21: The water cycle · Set 30 · 40 questions

Remember (Up, cool, down): Evaporation: water → vapour (puddles dry, wet clothes dry). Condensation: vapour → drops (clouds, drops on a cold glass). Freezing: water → ice. Melting: ice → water. Precipitation: rain, hail and snow falling. Water boils at 100 °C at sea level and freezes at 0 °C.

1. 1.♨️ At sea level, pure water boils at how many degrees Celsius?
2. 2.☀️ What gives the heat that makes water evaporate from the sea? (a) the moon (b) the soil (c) the stars (d) the sun
3. 3.Which of these is water as a liquid? (a) hailstones (b) ice (c) frost (d) raindrops
4. 4.🔄 Which change is this: hail falls from the sky? (a) melting (b) precipitation (c) evaporation (d) condensation
5. 5.🔍 Which is the odd one out? (a) snow (b) ice (c) raindrops (d) hailstones
6. 6.Which of these is water as a solid? (a) water vapour (b) raindrops (c) hailstones (d) tap water
7. 7.True or false: “snow falls on mountains” is an example of precipitation. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) dew (b) frost (c) sea water (d) raindrops
9. 9.True or false: “puddles dry in the sun” is an example of evaporation. (a) True (b) False
10. 10.True or false: “a lake turns to ice” is an example of precipitation. (a) True (b) False
11. 11.🧊💧♨️ Is “frost” water as a solid, a liquid or a gas? (a) liquid (b) gas (c) solid
12. 12.🧊💧♨️ Is “snow” water as a solid, a liquid or a gas? (a) solid (b) liquid (c) gas
13. 13.Which of these is an example of precipitation? (a) rain falls from clouds (b) water turns into ice (c) puddles dry in the sun (d) ice turns into water
14. 14.🔍 Which is the odd one out? (a) tap water (b) sea water (c) raindrops (d) an icicle
15. 15.🔄 Which change is this: snow falls on mountains? (a) precipitation (b) evaporation (c) melting (d) freezing
16. 16.Which of these is an example of evaporation? (a) snow falls on mountains (b) drops on a cold glass (c) water turns into vapour (d) ice cream drips in sun
17. 17.🧊💧♨️ Is “hailstones” water as a solid, a liquid or a gas? (a) liquid (b) solid (c) gas
18. 18.🧊💧♨️ Is “water vapour” water as a solid, a liquid or a gas? (a) solid (b) gas (c) liquid
19. 19.Which of these is water as a liquid? (a) frost (b) steam (c) snow (d) river water
20. 20.Which of these is water as a solid? (a) sea water (b) frost (c) river water (d) dew
21. 21.🧊 Pure water freezes into ice at how many degrees Celsius?
22. 22.🔄 Which change is this: wet clothes dry outside? (a) evaporation (b) freezing (c) melting (d) precipitation
23. 23.True or false: “ice cream drips in sun” is an example of precipitation. (a) False (b) True
24. 24.True or false: “rain falls from clouds” is an example of precipitation. (a) False (b) True
25. 25.Which of these is water as a gas? (a) hailstones (b) tap water (c) dew (d) steam
26. 26.🧊💧♨️ Is “sea water” water as a solid, a liquid or a gas? (a) liquid (b) gas (c) solid
27. 27.True or false: “water turns into ice” is an example of precipitation. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) ice (b) an icicle (c) hailstones (d) steam
29. 29.Which of these is an example of freezing? (a) hail falls from the sky (b) puddles dry in the sun (c) water turns into ice (d) wet clothes dry outside
30. 30.🔍 Which is the odd one out? (a) tap water (b) sea water (c) raindrops (d) water vapour
31. 31.Which of these is an example of freezing? (a) clouds form in the sky (b) a lake turns to ice (c) water turns into vapour (d) hail falls from the sky
32. 32.Which of these is water as a gas? (a) sea water (b) river water (c) snow (d) water vapour
33. 33.🔄 Which change is this: vapour turns into drops? (a) evaporation (b) freezing (c) precipitation (d) condensation
34. 34.☁️ Clouds are made of tiny ___. (a) bits of cotton (b) grains of sand (c) smoke puffs (d) water droplets
35. 35.🧊💧♨️ Is “tap water” water as a solid, a liquid or a gas? (a) liquid (b) gas (c) solid
36. 36.True or false: “rain falls from clouds” is an example of melting. (a) True (b) False
37. 37.Which of these is an example of evaporation? (a) hail falls from the sky (b) water turns into ice (c) puddles dry in the sun (d) clouds form in the sky
38. 38.🔍 Which is the odd one out? (a) hailstones (b) dew (c) raindrops (d) river water
39. 39.Which of these is an example of condensation? (a) hail falls from the sky (b) clouds form in the sky (c) water turns into ice (d) rain falls from clouds
40. 40.🔄 Which change is this: drops on a cold glass? (a) freezing (b) melting (c) condensation (d) precipitation

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