Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 118 · 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) the glass sweats (c) the glass leaks (d) vapour in air cools
2. 2.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) hot water is heavy (c) it changes colour (d) hot water is magnetic
3. 3.True or false: ice cubes is not needed for the water cycle bowl. (a) False (b) True
4. 4.💧 Which of these is freezing? (a) a pond icing over (b) a puddle drying up (c) a misty bathroom mirror (d) butter going runny
5. 5.💧 Which change is this: sweat drying on skin? (a) evaporation (b) melting (c) freezing (d) condensation
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 change it (b) we keep it the same (c) we measure it
7. 7.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) turmeric powder (c) sunlight (d) ice cubes
8. 8.🔮 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) some water evaporates (d) the water increases
9. 9.⚖️ 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
10. 10.⚖️ 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 amount of water (c) sun or shade
11. 11.💧 Which change is this: wet hair drying? (a) evaporation (b) condensation (c) melting (d) freezing
12. 12.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a battery cell (c) cling film (d) a balloon
13. 13.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) cling film (c) a small cup (d) a magnet
14. 14.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) yeast (b) cling film (c) water (d) sunlight
15. 15.⚖️ 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
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 cling film cover”? (a) we measure it (b) we keep it the same (c) we change it
17. 17.🔍 Which is the odd one out? (a) water becoming ice (b) wet hair drying (c) a puddle drying up (d) wet clothes drying
18. 18.🔍 Which is the odd one out? (a) ice becoming water (b) butter going runny (c) snow turning to water (d) making ice lollies
19. 19.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) a balloon (c) sunlight (d) water
20. 20.True or false: making ice lollies is melting. (a) True (b) False
21. 21.⚖️ 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 change it (b) we measure it (c) we keep it the same
22. 22.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
23. 23.⚖️ 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 keep it the same (c) we measure it
24. 24.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) snow turning to water (b) a pond icing over (c) water becoming ice (d) making ice lollies
26. 26.⚖️ 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) the time we wait (b) sun or shade (c) the amount of water (d) how many drops form
27. 27.💧 Which change is this: drops under a pot lid? (a) freezing (b) melting (c) condensation (d) evaporation
28. 28.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) wipe them dry (c) slide on them (d) pour more water
29. 29.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) they never dry (c) faster (d) slower
30. 30.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a big bowl (c) a battery cell (d) ice cubes
31. 31.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the air outside (c) water warmed by the Sun (d) the cling film
32. 32.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) ice cubes (c) a balloon (d) sunlight
33. 33.True or false: dew on morning grass is freezing. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) drops under a pot lid (b) a puddle drying up (c) wet clothes drying (d) sweat drying on skin
35. 35.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
36. 36.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
37. 37.True or false: turmeric powder is not needed for the water cycle bowl. (a) False (b) True
38. 38.True or false: ice cubes is needed for the water cycle bowl. (a) True (b) False
39. 39.🔮 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
40. 40.💧 Which change is this: wet clothes drying? (a) freezing (b) evaporation (c) melting (d) condensation

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