Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 576 · 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? True or false: the size of the bowl is kept the same. (a) False (b) True
2. 2.💧 Which change is this: making ice lollies? (a) evaporation (b) freezing (c) condensation (d) melting
3. 3.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
4. 4.⚖️ 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 keep it the same (b) we measure it (c) we change it
5. 5.⚖️ 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) sun or shade (b) the cling film cover (c) the time we wait (d) the size of the bowl
6. 6.True or false: wet hair drying is evaporation. (a) True (b) False
7. 7.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it disappears (c) it turns to salt (d) it turns to drops
8. 8.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) a magnet (c) ice cubes (d) water
9. 9.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a big bowl (c) a mirror (d) sunlight
10. 10.⚖️ 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 what we measure. (a) False (b) True
11. 11.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) yeast (c) cling film (d) a battery cell
12. 12.⚖️ 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
13. 13.True or false: yeast is needed for the water cycle bowl. (a) True (b) False
14. 14.💧 Which of these is condensation? (a) a pond icing over (b) ice becoming water (c) drops on a cold glass (d) wet clothes drying
15. 15.⚖️ 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
16. 16.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) turmeric powder (b) water (c) sunlight (d) ice cubes
17. 17.🔍 Which is the odd one out? (a) butter going runny (b) snow turning to water (c) ice becoming water (d) water becoming ice
18. 18.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
19. 19.True or false: drops on a cold glass is condensation. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) butter going runny (b) snow turning to water (c) ice becoming water (d) a puddle drying up
21. 21.🔮 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
22. 22.⚖️ 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
23. 23.True or false: drops under a pot lid is condensation. (a) False (b) True
24. 24.True or false: a big bowl is not needed for the water cycle bowl. (a) True (b) False
25. 25.💧 Which of these is freezing? (a) making ice lollies (b) drops under a pot lid (c) wet clothes drying (d) drops on a cold glass
26. 26.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) water (c) a balloon (d) a big bowl
27. 27.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a magnet (b) a big bowl (c) water (d) ice cubes
28. 28.💧 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
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 what we measure. (a) False (b) True
30. 30.True or false: a battery cell is not needed for the water cycle bowl. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) water becoming ice (b) a misty bathroom mirror (c) making ice lollies (d) a pond icing over
32. 32.⚖️ 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) False (b) True
33. 33.💧 Which of these is evaporation? (a) drops on a cold glass (b) wet hair drying (c) a pond icing over (d) a misty bathroom mirror
34. 34.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) leave them wet (c) slide on them (d) pour more water
35. 35.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) more drops form (c) fewer drops form (d) the water turns red
36. 36.⚖️ 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 the one thing we change. (a) False (b) True
37. 37.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) some water evaporates (c) the water increases (d) it turns to salt
38. 38.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
39. 39.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) lightning (c) wind (d) rain
40. 40.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a balloon (c) ice cubes (d) a magnet

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