Class 4 EVS Worksheet: Water Cycle

EVS lesson 21: The water cycle · Set 698 · 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.🌊 Where is most of the water on Earth? (a) in wells (b) in rivers (c) in clouds (d) in the oceans
3. 3.🔄 Which change is this: wet clothes dry outside? (a) precipitation (b) condensation (c) freezing (d) evaporation
4. 4.Which of these is an example of precipitation? (a) rain falls from clouds (b) water turns into vapour (c) ice cream drips in sun (d) a snowman turns to water
5. 5.Which of these is water as a liquid? (a) hailstones (b) sea water (c) ice (d) snow
6. 6.True or false: “wet clothes dry outside” is an example of evaporation. (a) True (b) False
7. 7.🧊💧♨️ Is “sea water” water as a solid, a liquid or a gas? (a) liquid (b) gas (c) solid
8. 8.Which of these is water as a liquid? (a) ice (b) water vapour (c) tap water (d) an icicle
9. 9.Which of these is an example of condensation? (a) water turns into vapour (b) clouds form in the sky (c) ice cream drips in sun (d) puddles dry in the sun
10. 10.☀️ What gives the heat that makes water evaporate from the sea? (a) the stars (b) the moon (c) the sun (d) the soil
11. 11.Which of these is an example of condensation? (a) a snowman turns to water (b) puddles dry in the sun (c) vapour turns into drops (d) wet clothes dry outside
12. 12.Which of these is an example of condensation? (a) hail falls from the sky (b) drops on a cold glass (c) snow falls on mountains (d) ice turns into water
13. 13.Which of these is water as a solid? (a) tap water (b) sea water (c) river water (d) snow
14. 14.True or false: “rain falls from clouds” is an example of precipitation. (a) False (b) True
15. 15.🧊💧♨️ Is “an icicle” water as a solid, a liquid or a gas? (a) solid (b) liquid (c) gas
16. 16.Which of these is water as a liquid? (a) river water (b) water vapour (c) snow (d) ice
17. 17.🧊💧♨️ Is “hailstones” water as a solid, a liquid or a gas? (a) gas (b) solid (c) liquid
18. 18.Which of these is an example of melting? (a) vapour turns into drops (b) rain falls from clouds (c) a snowman turns to water (d) wet clothes dry outside
19. 19.Which of these is an example of melting? (a) rain falls from clouds (b) puddles dry in the sun (c) hail falls from the sky (d) ice cream drips in sun
20. 20.Which of these is water as a solid? (a) hailstones (b) sea water (c) dew (d) steam
21. 21.🔍 Which is the odd one out? (a) river water (b) snow (c) hailstones (d) an icicle
22. 22.🔍 Which is the odd one out? (a) tap water (b) sea water (c) steam (d) raindrops
23. 23.True or false: “drops on a cold glass” is an example of melting. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) river water (b) sea water (c) water vapour (d) raindrops
25. 25.🔄 What is the endless journey of water from the sea to the clouds and back called? (a) the food chain (b) the life cycle (c) the solar system (d) the water cycle
26. 26.Which of these is an example of freezing? (a) drops on a cold glass (b) snow falls on mountains (c) hail falls from the sky (d) water turns into ice
27. 27.True or false: “vapour turns into drops” is an example of precipitation. (a) False (b) True
28. 28.Which of these is an example of evaporation? (a) water turns into ice (b) puddles dry in the sun (c) hail falls from the sky (d) rain falls from clouds
29. 29.Which of these is water as a solid? (a) water vapour (b) steam (c) frost (d) river water
30. 30.True or false: “ice cream drips in sun” is an example of melting. (a) True (b) False
31. 31.🔄 Which change is this: water turns into vapour? (a) precipitation (b) condensation (c) evaporation (d) melting
32. 32.Which of these is water as a gas? (a) water vapour (b) tap water (c) ice (d) sea water
33. 33.🔍 Which is the odd one out? (a) tap water (b) raindrops (c) sea water (d) an icicle
34. 34.🧊💧♨️ Is “frost” water as a solid, a liquid or a gas? (a) liquid (b) gas (c) solid
35. 35.🔍 Which is the odd one out? (a) raindrops (b) snow (c) an icicle (d) frost
36. 36.🧊 Pure water freezes into ice at how many degrees Celsius?
37. 37.True or false: “vapour turns into drops” is an example of condensation. (a) False (b) True
38. 38.True or false: “drops on a cold glass” is an example of condensation. (a) False (b) True
39. 39.🔄 Which change is this: hail falls from the sky? (a) condensation (b) evaporation (c) precipitation (d) melting
40. 40.☁️ Clouds are made of tiny ___. (a) water droplets (b) smoke puffs (c) bits of cotton (d) grains of sand

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