Class 4 EVS Worksheet: Water Cycle

EVS lesson 21: The water cycle · Set 255 · 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.🧊 Pure water freezes into ice at how many degrees Celsius?
2. 2.🔄 Which change is this: puddles dry in the sun? (a) condensation (b) evaporation (c) freezing (d) melting
3. 3.🧊💧♨️ Is “water vapour” water as a solid, a liquid or a gas? (a) solid (b) liquid (c) gas
4. 4.🧊💧♨️ Is “hailstones” water as a solid, a liquid or a gas? (a) gas (b) solid (c) liquid
5. 5.☁️ Clouds are made of tiny ___. (a) smoke puffs (b) bits of cotton (c) grains of sand (d) water droplets
6. 6.Which of these is water as a gas? (a) sea water (b) frost (c) ice (d) steam
7. 7.🔄 What is the endless journey of water from the sea to the clouds and back called? (a) the solar system (b) the food chain (c) the water cycle (d) the life cycle
8. 8.Which of these is an example of condensation? (a) puddles dry in the sun (b) water turns into ice (c) a lake turns to ice (d) clouds form in the sky
9. 9.🔄 Which change is this: ice cream drips in sun? (a) freezing (b) precipitation (c) condensation (d) melting
10. 10.☀️ What gives the heat that makes water evaporate from the sea? (a) the stars (b) the soil (c) the moon (d) the sun
11. 11.True or false: “water turns into vapour” is an example of evaporation. (a) False (b) True
12. 12.🔍 Which is the odd one out? (a) ice (b) snow (c) an icicle (d) water vapour
13. 13.🔄 Which change is this: snow falls on mountains? (a) freezing (b) precipitation (c) evaporation (d) melting
14. 14.🔍 Which is the odd one out? (a) tap water (b) raindrops (c) river water (d) snow
15. 15.🧊💧♨️ Is “snow” water as a solid, a liquid or a gas? (a) solid (b) gas (c) liquid
16. 16.Which of these is water as a gas? (a) water vapour (b) river water (c) raindrops (d) snow
17. 17.🔍 Which is the odd one out? (a) dew (b) hailstones (c) tap water (d) raindrops
18. 18.🔄 Which change is this: hail falls from the sky? (a) melting (b) precipitation (c) freezing (d) evaporation
19. 19.True or false: “a lake turns to ice” is an example of freezing. (a) False (b) True
20. 20.True or false: “hail falls from the sky” is an example of precipitation. (a) False (b) True
21. 21.Which of these is an example of melting? (a) a lake turns to ice (b) ice cream drips in sun (c) vapour turns into drops (d) water turns into vapour
22. 22.🔍 Which is the odd one out? (a) tap water (b) dew (c) raindrops (d) ice
23. 23.🔄 Which change is this: rain falls from clouds? (a) evaporation (b) condensation (c) freezing (d) precipitation
24. 24.🔄 Which change is this: a snowman turns to water? (a) freezing (b) condensation (c) melting (d) precipitation
25. 25.🔍 Which is the odd one out? (a) ice (b) an icicle (c) hailstones (d) tap water
26. 26.🔄 Which change is this: water turns into vapour? (a) freezing (b) condensation (c) evaporation (d) precipitation
27. 27.🧊💧♨️ Is “dew” water as a solid, a liquid or a gas? (a) gas (b) solid (c) liquid
28. 28.Which of these is an example of freezing? (a) wet clothes dry outside (b) a lake turns to ice (c) clouds form in the sky (d) drops on a cold glass
29. 29.Which of these is water as a solid? (a) raindrops (b) dew (c) frost (d) tap water
30. 30.Which of these is an example of melting? (a) puddles dry in the sun (b) vapour turns into drops (c) drops on a cold glass (d) a snowman turns to water
31. 31.💧 In how many states can water be found (solid, liquid, gas)?
32. 32.True or false: “rain falls from clouds” is an example of condensation. (a) True (b) False
33. 33.🔄 Which change is this: clouds form in the sky? (a) condensation (b) freezing (c) melting (d) evaporation
34. 34.True or false: “hail falls from the sky” is an example of evaporation. (a) True (b) False
35. 35.🔄 Which change is this: vapour turns into drops? (a) precipitation (b) freezing (c) condensation (d) evaporation
36. 36.🧊💧♨️ Is “an icicle” water as a solid, a liquid or a gas? (a) solid (b) liquid (c) gas
37. 37.True or false: “ice cream drips in sun” is an example of precipitation. (a) False (b) True
38. 38.🧊💧♨️ Is “raindrops” water as a solid, a liquid or a gas? (a) solid (b) gas (c) liquid
39. 39.True or false: “vapour turns into drops” is an example of condensation. (a) True (b) False
40. 40.Which of these is water as a solid? (a) raindrops (b) an icicle (c) sea water (d) river water

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