Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 490 · 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 should only a grown-up handle any hot water? (a) it changes colour (b) hot water is magnetic (c) hot water is heavy (d) hot water can scald
2. 2.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is kept the same? (a) how many drops form (b) the time we wait (c) sun or shade
3. 3.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) turmeric powder (c) a big bowl (d) cling film
4. 4.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) the water turns red (c) more drops form (d) fewer drops form
5. 5.⚖️ 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 measure it (b) we change it (c) we keep it the same
6. 6.💧 Which change is this: butter going runny? (a) condensation (b) freezing (c) evaporation (d) melting
7. 7.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the cling film (c) water warmed by the Sun (d) the air outside
8. 8.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “how many drops form”? (a) we measure it (b) we keep it the same (c) we change it
9. 9.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the cling film cover”? (a) we keep it the same (b) we change it (c) we measure it
10. 10.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
11. 11.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is kept the same? (a) sun or shade (b) how many drops form (c) the size of the bowl
12. 12.True or false: turmeric powder is needed for the water cycle bowl. (a) True (b) False
13. 13.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
14. 14.True or false: a magnet is needed for the water cycle bowl. (a) False (b) True
15. 15.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) vapour in air cools (c) ice escapes the glass (d) the glass leaks
16. 16.True or false: drops on a cold glass is condensation. (a) False (b) True
17. 17.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is the one thing we change. (a) False (b) True
18. 18.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is kept the same. (a) False (b) True
19. 19.True or false: a small cup is not needed for the water cycle bowl. (a) True (b) False
20. 20.💧 Which of these is evaporation? (a) water becoming ice (b) drops on a cold glass (c) butter going runny (d) wet hair drying
21. 21.⚖️ 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) the size of the bowl (d) sun or shade
22. 22.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) lightning (c) sunshine (d) rain
23. 23.True or false: wet clothes drying is melting. (a) False (b) True
24. 24.⚖️ 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 change it (b) we keep it the same (c) we measure it
25. 25.True or false: a magnet is not needed for the water cycle bowl. (a) False (b) True
26. 26.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) cling film (c) sunlight (d) a battery cell
27. 27.💧 Which change is this: drops under a pot lid? (a) freezing (b) evaporation (c) condensation (d) melting
28. 28.💧 Which of these is freezing? (a) a misty bathroom mirror (b) wet clothes drying (c) sweat drying on skin (d) making ice lollies
29. 29.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is the one thing we change. (a) True (b) False
30. 30.True or false: sunlight is not needed for the water cycle bowl. (a) False (b) True
31. 31.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) cling film (c) ice cubes (d) a magnet
32. 32.🔍 Which is the odd one out? (a) butter going runny (b) ice becoming water (c) snow turning to water (d) a pond icing over
33. 33.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) turmeric powder (c) a balloon (d) cling film
34. 34.💧 Which of these is freezing? (a) a puddle drying up (b) a misty bathroom mirror (c) ice becoming water (d) a pond icing over
35. 35.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) faster (c) they never dry (d) they turn to ice
36. 36.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a balloon (b) ice cubes (c) cling film (d) a small cup
37. 37.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) sunlight (c) ice cubes (d) yeast
38. 38.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: how many drops form is what we measure. (a) False (b) True
39. 39.True or false: wet clothes drying is evaporation. (a) False (b) True
40. 40.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed

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