Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 361 · 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.💧 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
2. 2.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
3. 3.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) pour more water (c) wipe them dry (d) slide on them
4. 4.True or false: wet clothes drying is evaporation. (a) True (b) False
5. 5.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
6. 6.⚖️ 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) sun or shade (c) the size of the bowl (d) the amount of water
7. 7.🔮 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) slower (d) faster
8. 8.⚖️ 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
9. 9.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a magnet (b) sunlight (c) a big bowl (d) water
10. 10.True or false: a mirror is needed for the water cycle bowl. (a) False (b) True
11. 11.⚖️ 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 change it (b) we keep it the same (c) we measure it
12. 12.💧 Which change is this: wet hair drying? (a) evaporation (b) freezing (c) melting (d) condensation
13. 13.💧 Which change is this: a misty bathroom mirror? (a) melting (b) freezing (c) evaporation (d) condensation
14. 14.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water can scald (c) hot water is heavy (d) it changes colour
15. 15.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) lightning (c) rain (d) wind
16. 16.⚖️ 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 kept the same. (a) False (b) True
17. 17.True or false: ice cubes is not needed for the water cycle bowl. (a) True (b) False
18. 18.💧 Which of these is evaporation? (a) wet hair drying (b) drops under a pot lid (c) a misty bathroom mirror (d) dew on morning grass
19. 19.True or false: making ice lollies is evaporation. (a) True (b) False
20. 20.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a mirror (c) a magnet (d) water
21. 21.🔍 Which is the odd one out? (a) a puddle drying up (b) wet hair drying (c) a misty bathroom mirror (d) sweat drying on skin
22. 22.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) vapour in air cools (c) the glass leaks (d) the glass sweats
23. 23.True or false: a magnet is not needed for the water cycle bowl. (a) False (b) True
24. 24.True or false: drops under a pot lid is melting. (a) False (b) True
25. 25.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a magnet (c) a big bowl (d) yeast
26. 26.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) sunlight (c) a small cup (d) a mirror
27. 27.⚖️ 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 keep it the same (c) we measure it
28. 28.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
29. 29.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) turmeric powder (c) water (d) a big bowl
30. 30.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is kept the same. (a) False (b) True
31. 31.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
32. 32.True or false: snow turning to water is melting. (a) True (b) False
33. 33.⚖️ 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) how many drops form (d) the size of the bowl
34. 34.⚖️ 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 time we wait
35. 35.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) more drops form (c) the water turns red (d) the bowl freezes
36. 36.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
37. 37.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it disappears (c) it turns to drops (d) it turns to smoke
38. 38.⚖️ 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 what we measure. (a) True (b) False
39. 39.True or false: drops under a pot lid is condensation. (a) True (b) False
40. 40.💧 Which of these is freezing? (a) butter going runny (b) wet clothes drying (c) a pond icing over (d) drops on a cold glass

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