Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 425 · 40 questions

What you do (Up as vapour, down as drops): 1. Pour some water into the big bowl and stand the small cup in the middle. 2. Cover the bowl tightly with cling film. 3. Put a few ice cubes on top of the film, over the cup. 4. Leave it in the sun for an hour and look for drops in the cup.

1. 1.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) vapour in air cools (c) the glass leaks (d) the glass sweats
2. 2.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
3. 3.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
4. 4.💧 Which of these is evaporation? (a) water becoming ice (b) a puddle drying up (c) dew on morning grass (d) a pond icing over
5. 5.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
6. 6.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) turmeric powder (b) ice cubes (c) a small cup (d) a big bowl
7. 7.True or false: wet hair drying is freezing. (a) True (b) False
8. 8.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) water warmed by the Sun (c) the bowl itself (d) the cling film
9. 9.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the size of the bowl is the one thing we change. (a) True (b) False
10. 10.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) cling film (c) a mirror (d) sunlight
11. 11.💧 Which change is this: a puddle drying up? (a) evaporation (b) melting (c) condensation (d) freezing
12. 12.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the size of the bowl is kept the same. (a) True (b) False
13. 13.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the water turns red (c) the bowl freezes (d) more drops form
14. 14.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the amount of water is kept the same. (a) False (b) True
15. 15.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water can scald (c) hot water is magnetic (d) hot water is heavy
16. 16.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
17. 17.💧 Which change is this: sweat drying on skin? (a) freezing (b) melting (c) evaporation (d) condensation
18. 18.True or false: turmeric powder is not needed for the water cycle bowl. (a) False (b) True
19. 19.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a balloon (c) a small cup (d) a big bowl
20. 20.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) faster (c) they turn to ice (d) slower
21. 21.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “sun or shade”? (a) we change it (b) we measure it (c) we keep it the same
22. 22.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a mirror (c) a balloon (d) a small cup
23. 23.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) leave them wet (c) wipe them dry (d) slide on them
24. 24.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is kept the same. (a) True (b) False
25. 25.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is the one thing we change? (a) how many drops form (b) the time we wait (c) sun or shade (d) the cling film cover
26. 26.🧺 Which of these is not needed for the water cycle bowl? (a) a magnet (b) sunlight (c) cling film (d) a small cup
27. 27.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
28. 28.💧 Which of these is evaporation? (a) sweat drying on skin (b) dew on morning grass (c) snow turning to water (d) drops under a pot lid
29. 29.True or false: water is not needed for the water cycle bowl. (a) False (b) True
30. 30.💧 Which change is this: drops on a cold glass? (a) condensation (b) evaporation (c) freezing (d) melting
31. 31.💧 Which change is this: wet hair drying? (a) freezing (b) condensation (c) evaporation (d) melting
32. 32.🧺 Which of these is not needed for the water cycle bowl? (a) yeast (b) a small cup (c) a big bowl (d) sunlight
33. 33.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) a small cup (c) a big bowl (d) water
34. 34.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
35. 35.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) ice cubes (c) a mirror (d) yeast
36. 36.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) it turns to ice (c) the water increases (d) some water evaporates
37. 37.💧 Which change is this: wet clothes drying? (a) condensation (b) evaporation (c) freezing (d) melting
38. 38.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) cling film (c) a mirror (d) a small cup
39. 39.💧 Which of these is condensation? (a) ice becoming water (b) wet hair drying (c) sweat drying on skin (d) dew on morning grass
40. 40.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed

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