Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 930 · 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.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) rain (c) lightning (d) sunshine
2. 2.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) slide on them (c) wipe them dry (d) leave them wet
3. 3.⚖️ 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
4. 4.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
5. 5.💧 Which change is this: snow turning to water? (a) evaporation (b) melting (c) freezing (d) condensation
6. 6.⚖️ 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 size of the bowl (c) the time we wait (d) how many drops form
7. 7.⚖️ 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
8. 8.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a small cup (c) turmeric powder (d) ice cubes
9. 9.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
10. 10.💧 Which of these is evaporation? (a) drops under a pot lid (b) a puddle drying up (c) ice becoming water (d) a misty bathroom mirror
11. 11.💧 Which change is this: a misty bathroom mirror? (a) evaporation (b) condensation (c) freezing (d) melting
12. 12.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) sunlight (c) cling film (d) yeast
13. 13.🔍 Which is the odd one out? (a) wet hair drying (b) wet clothes drying (c) dew on morning grass (d) a puddle drying up
14. 14.True or false: yeast is not needed for the water cycle bowl. (a) False (b) True
15. 15.True or false: a small cup is needed for the water cycle bowl. (a) True (b) False
16. 16.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
17. 17.True or false: a magnet is needed for the water cycle bowl. (a) True (b) False
18. 18.True or false: a big bowl is needed for the water cycle bowl. (a) False (b) True
19. 19.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) salty water (d) water as a gas
20. 20.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) a big bowl (c) ice cubes (d) a mirror
21. 21.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
22. 22.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is magnetic (c) hot water is heavy (d) hot water can scald
23. 23.🔍 Which is the odd one out? (a) water becoming ice (b) making ice lollies (c) a puddle drying up (d) a pond icing over
24. 24.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the air outside (c) the cling film (d) the bowl itself
25. 25.🔍 Which is the odd one out? (a) snow turning to water (b) ice becoming water (c) butter going runny (d) drops on a cold glass
26. 26.🧺 Which of these is not needed for the water cycle bowl? (a) a mirror (b) water (c) a big bowl (d) sunlight
27. 27.True or false: ice cubes is needed for the water cycle bowl. (a) False (b) True
28. 28.True or false: sweat drying on skin is evaporation. (a) False (b) True
29. 29.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
30. 30.⚖️ 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 keep it the same (b) we change it (c) we measure it
31. 31.⚖️ 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) how many drops form (b) sun or shade (c) the size of the bowl
32. 32.⚖️ 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) True (b) False
33. 33.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they turn to ice (c) faster (d) they never dry
34. 34.True or false: ice cubes is not needed for the water cycle bowl. (a) True (b) False
35. 35.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a magnet (b) ice cubes (c) cling film (d) a big bowl
36. 36.⚖️ 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 keep it the same (b) we measure it (c) we change it
37. 37.True or false: a battery cell is not needed for the water cycle bowl. (a) True (b) False
38. 38.💧 Which change is this: butter going runny? (a) freezing (b) evaporation (c) condensation (d) melting
39. 39.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) the water turns red (c) fewer drops form (d) more drops form
40. 40.True or false: a puddle drying up is evaporation. (a) True (b) False

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