Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 743 · 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? What do we do with “the cling film cover”? (a) we keep it the same (b) we change it (c) we measure it
2. 2.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the water turns red (c) more drops form (d) the bowl freezes
3. 3.💧 Which change is this: a misty bathroom mirror? (a) evaporation (b) melting (c) freezing (d) condensation
4. 4.⚖️ 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
5. 5.True or false: a magnet is needed for the water cycle bowl. (a) False (b) True
6. 6.True or false: butter going runny is condensation. (a) False (b) True
7. 7.💧 Which change is this: sweat drying on skin? (a) melting (b) freezing (c) condensation (d) evaporation
8. 8.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a magnet (c) a small cup (d) water
9. 9.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
10. 10.💧 Which of these is condensation? (a) dew on morning grass (b) a pond icing over (c) ice becoming water (d) water becoming ice
11. 11.🔍 Which is the odd one out? (a) drops under a pot lid (b) butter going runny (c) drops on a cold glass (d) dew on morning grass
12. 12.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) ice cubes (c) sunlight (d) a battery cell
13. 13.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
14. 14.⚖️ 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
15. 15.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the cling film cover is kept the same. (a) True (b) False
16. 16.⚖️ 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 cling film cover (b) how many drops form (c) the size of the bowl (d) sun or shade
17. 17.💧 Which change is this: making ice lollies? (a) evaporation (b) melting (c) freezing (d) condensation
18. 18.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to ice (c) it turns to salt (d) some water evaporates
19. 19.True or false: yeast is not needed for the water cycle bowl. (a) False (b) True
20. 20.True or false: sweat drying on skin is freezing. (a) True (b) False
21. 21.True or false: cling film is needed for the water cycle bowl. (a) True (b) False
22. 22.True or false: yeast is needed for the water cycle bowl. (a) True (b) False
23. 23.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) slide on them (c) leave them wet (d) wipe them dry
24. 24.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) a big bowl (c) yeast (d) cling film
25. 25.⚖️ 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) the amount of water (c) how many drops form
26. 26.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a magnet (c) turmeric powder (d) sunlight
27. 27.True or false: a puddle drying up is condensation. (a) False (b) True
28. 28.🧺 Which of these is needed for the water cycle bowl? (a) a big bowl (b) a battery cell (c) yeast (d) a balloon
29. 29.⚖️ 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 change it (b) we keep it the same (c) we measure it
30. 30.💧 Which change is this: wet clothes drying? (a) melting (b) freezing (c) evaporation (d) condensation
31. 31.True or false: dew on morning grass is evaporation. (a) True (b) False
32. 32.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) it changes colour (c) hot water is heavy (d) hot water can scald
33. 33.💧 Which of these is evaporation? (a) a misty bathroom mirror (b) drops on a cold glass (c) wet clothes drying (d) ice becoming water
34. 34.True or false: drops under a pot lid is freezing. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) drops on a cold glass (b) a pond icing over (c) water becoming ice (d) making ice lollies
36. 36.⚖️ 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 keep it the same (b) we measure it (c) we change it
37. 37.⚖️ 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 time we wait (b) the size of the bowl (c) the amount of water (d) sun or shade
38. 38.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the bowl itself (c) the cling film (d) water warmed by the Sun
39. 39.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is what we measure. (a) True (b) False
40. 40.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) slower (c) faster (d) they turn to ice

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