Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 752 · 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.⚖️ 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) the cling film cover (b) the time we wait (c) how many drops form (d) sun or shade
2. 2.True or false: wet clothes drying is evaporation. (a) False (b) True
3. 3.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) it changes colour (c) hot water is magnetic (d) hot water is heavy
4. 4.True or false: a small cup is not needed for the water cycle bowl. (a) False (b) True
5. 5.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) slide on them (c) pour more water (d) wipe them dry
6. 6.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the time we wait”? (a) we measure it (b) we keep it the same (c) we change it
7. 7.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the size of the bowl”? (a) we change it (b) we measure it (c) we keep it the same
8. 8.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a mirror (c) a balloon (d) water
9. 9.💧 Which change is this: sweat drying on skin? (a) condensation (b) melting (c) evaporation (d) freezing
10. 10.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is what we measure? (a) how many drops form (b) the size of the bowl (c) the time we wait (d) sun or shade
11. 11.💧 Which change is this: a puddle drying up? (a) evaporation (b) condensation (c) melting (d) freezing
12. 12.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) cling film (c) a balloon (d) a magnet
13. 13.💧 Why do water drops form on the outside of a glass of ice water? (a) vapour in air cools (b) the glass sweats (c) ice escapes the glass (d) the glass leaks
14. 14.💧 Which of these is evaporation? (a) dew on morning grass (b) a misty bathroom mirror (c) drops under a pot lid (d) wet clothes drying
15. 15.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
16. 16.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the amount of water”? (a) we measure it (b) we change it (c) we keep it the same
17. 17.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
18. 18.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a magnet (b) a small cup (c) a big bowl (d) ice cubes
19. 19.True or false: water is needed for the water cycle bowl. (a) True (b) False
20. 20.True or false: cling film is not needed for the water cycle bowl. (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) ice becoming water (b) snow turning to water (c) sweat drying on skin (d) butter going runny
22. 22.💧 Which of these is evaporation? (a) making ice lollies (b) a misty bathroom mirror (c) wet hair drying (d) water becoming ice
23. 23.💧 Which of these is evaporation? (a) snow turning to water (b) making ice lollies (c) a puddle drying up (d) drops under a pot lid
24. 24.True or false: ice cubes is not needed for the water cycle bowl. (a) True (b) False
25. 25.True or false: a puddle drying up is evaporation. (a) True (b) False
26. 26.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) water warmed by the Sun (c) the cling film (d) the air outside
27. 27.True or false: drops on a cold glass is condensation. (a) True (b) False
28. 28.True or false: wet hair drying is evaporation. (a) True (b) False
29. 29.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they turn to ice (c) faster (d) they never dry
30. 30.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) a small cup (c) cling film (d) a balloon
31. 31.🔍 Which is the odd one out? (a) water becoming ice (b) a pond icing over (c) a puddle drying up (d) making ice lollies
32. 32.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a big bowl (c) yeast (d) a small cup
33. 33.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
34. 34.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to smoke (c) it turns to drops (d) it turns to salt
35. 35.🔍 Which is the odd one out? (a) a pond icing over (b) wet clothes drying (c) wet hair drying (d) a puddle drying up
36. 36.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) the water turns red (c) the bowl freezes (d) fewer drops form
37. 37.💧 Which of these is freezing? (a) a misty bathroom mirror (b) water becoming ice (c) ice becoming water (d) sweat drying on skin
38. 38.True or false: yeast is needed for the water cycle bowl. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) ice becoming water (b) snow turning to water (c) water becoming ice (d) butter going runny
40. 40.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a small cup (c) water (d) a balloon

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