Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 77 · 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? Which of these is the one thing we change? (a) the size of the bowl (b) the amount of water (c) the time we wait (d) sun or shade
2. 2.📘 What is water vapour? (a) salty water (b) water as a gas (c) a kind of smoke (d) tiny ice cubes
3. 3.True or false: a misty bathroom mirror is melting. (a) True (b) False
4. 4.💧 Which change is this: water becoming ice? (a) evaporation (b) condensation (c) freezing (d) melting
5. 5.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a big bowl (c) a magnet (d) a battery cell
6. 6.⚖️ 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 keep it the same (b) we change it (c) we measure it
7. 7.True or false: butter going runny is melting. (a) True (b) False
8. 8.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) wind (c) sunshine (d) rain
9. 9.💧 Which of these is condensation? (a) a misty bathroom mirror (b) sweat drying on skin (c) a puddle drying up (d) water becoming ice
10. 10.💧 Which change is this: dew on morning grass? (a) melting (b) freezing (c) evaporation (d) condensation
11. 11.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a balloon (c) ice cubes (d) a magnet
12. 12.💧 Which change is this: making ice lollies? (a) evaporation (b) freezing (c) melting (d) condensation
13. 13.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) ice cubes (c) yeast (d) a big bowl
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.⚖️ 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
16. 16.True or false: sunlight is not needed for the water cycle bowl. (a) True (b) False
17. 17.🔮 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
18. 18.💧 Which of these is melting? (a) butter going runny (b) wet clothes drying (c) a puddle drying up (d) sweat drying on skin
19. 19.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass sweats (c) vapour in air cools (d) the glass leaks
20. 20.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
21. 21.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) yeast (c) a big bowl (d) ice cubes
22. 22.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a small cup (c) a magnet (d) sunlight
23. 23.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
24. 24.True or false: sweat drying on skin is evaporation. (a) True (b) False
25. 25.⚖️ 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) True (b) False
26. 26.💧 Which change is this: drops under a pot lid? (a) melting (b) evaporation (c) freezing (d) condensation
27. 27.💧 Which change is this: a puddle drying up? (a) melting (b) evaporation (c) freezing (d) condensation
28. 28.⚖️ 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) True (b) False
29. 29.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a big bowl (c) a battery cell (d) ice cubes
30. 30.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to drops (b) it turns to smoke (c) it turns to salt (d) it disappears
31. 31.🔍 Which is the odd one out? (a) butter going runny (b) drops on a cold glass (c) dew on morning grass (d) a misty bathroom mirror
32. 32.True or false: yeast is not needed for the water cycle bowl. (a) False (b) True
33. 33.💧 Which of these is freezing? (a) making ice lollies (b) a misty bathroom mirror (c) wet hair drying (d) sweat drying on skin
34. 34.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) it turns to ice (c) some water evaporates (d) the water increases
35. 35.💧 Which of these is condensation? (a) butter going runny (b) drops on a cold glass (c) snow turning to water (d) water becoming ice
36. 36.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
37. 37.True or false: a mirror is needed for the water cycle bowl. (a) True (b) False
38. 38.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) wipe them dry (c) slide on them (d) leave them wet
39. 39.True or false: snow turning to water is melting. (a) True (b) False
40. 40.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True

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