Water Cycle Experiment Worksheet

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

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