Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 817 · 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.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) pour more water (c) leave them wet (d) wipe them dry
2. 2.⚖️ 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 time we wait (c) how many drops form
3. 3.⚖️ 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 change it (c) we keep it the same
4. 4.💧 Which change is this: sweat drying on skin? (a) evaporation (b) condensation (c) melting (d) freezing
5. 5.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is heavy (c) hot water can scald (d) hot water is magnetic
6. 6.🔍 Which is the odd one out? (a) making ice lollies (b) a pond icing over (c) water becoming ice (d) a puddle drying up
7. 7.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) a big bowl (c) water (d) a battery cell
8. 8.⚖️ 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
9. 9.💧 Which of these is melting? (a) drops under a pot lid (b) snow turning to water (c) dew on morning grass (d) a misty bathroom mirror
10. 10.True or false: a puddle drying up is condensation. (a) True (b) False
11. 11.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it turns to drops (c) it turns to salt (d) it disappears
12. 12.True or false: cling film is not needed for the water cycle bowl. (a) False (b) True
13. 13.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) cling film (c) a big bowl (d) a balloon
14. 14.💧 Which change is this: ice becoming water? (a) freezing (b) condensation (c) evaporation (d) melting
15. 15.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
16. 16.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) a big bowl (c) turmeric powder (d) water
17. 17.True or false: cling film is needed for the water cycle bowl. (a) False (b) True
18. 18.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
19. 19.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) wind (c) sunshine (d) rain
20. 20.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) some water evaporates (c) it turns to ice (d) the water increases
21. 21.⚖️ 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
22. 22.📘 What is water vapour? (a) tiny ice cubes (b) salty water (c) water as a gas (d) a kind of smoke
23. 23.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) cling film (c) yeast (d) ice cubes
24. 24.💧 Which change is this: snow turning to water? (a) evaporation (b) freezing (c) melting (d) condensation
25. 25.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) dew on morning grass (c) drops under a pot lid (d) a pond icing over
26. 26.🔮 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
27. 27.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) a mirror (c) ice cubes (d) cling film
28. 28.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) water warmed by the Sun (c) the bowl itself (d) the air outside
29. 29.💧 Which of these is condensation? (a) ice becoming water (b) a pond icing over (c) sweat drying on skin (d) dew on morning grass
30. 30.🔍 Which is the odd one out? (a) snow turning to water (b) ice becoming water (c) butter going runny (d) wet clothes drying
31. 31.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) a big bowl (c) a battery cell (d) cling film
32. 32.🔮 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
33. 33.⚖️ 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 measure it (b) we keep it the same (c) we change it
34. 34.🧺 Which of these is needed for the water cycle bowl? (a) a big bowl (b) a mirror (c) turmeric powder (d) a magnet
35. 35.True or false: dew on morning grass is condensation. (a) False (b) True
36. 36.💧 Which change is this: butter going runny? (a) condensation (b) evaporation (c) freezing (d) melting
37. 37.🔍 Which is the odd one out? (a) snow turning to water (b) butter going runny (c) ice becoming water (d) sweat drying on skin
38. 38.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
39. 39.⚖️ 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
40. 40.⚖️ 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 cling film cover (b) the amount of water (c) the size of the bowl (d) sun or shade

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