Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 640 · 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.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
2. 2.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water can scald (c) it changes colour (d) hot water is magnetic
3. 3.True or false: a mirror is needed for the water cycle bowl. (a) False (b) True
4. 4.🧺 Which of these is not needed for the water cycle bowl? (a) a balloon (b) water (c) a big bowl (d) sunlight
5. 5.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a mirror (b) a small cup (c) a big bowl (d) ice cubes
6. 6.💧 Which of these is evaporation? (a) sweat drying on skin (b) drops on a cold glass (c) dew on morning grass (d) a misty bathroom mirror
7. 7.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
8. 8.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) some water evaporates (c) it turns to salt (d) the water increases
9. 9.True or false: cling film is needed for the water cycle bowl. (a) True (b) False
10. 10.True or false: a small cup is not needed for the water cycle bowl. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) wet clothes drying (b) wet hair drying (c) sweat drying on skin (d) ice becoming water
12. 12.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) lightning (c) wind (d) rain
13. 13.💧 Which of these is melting? (a) making ice lollies (b) butter going runny (c) drops under a pot lid (d) sweat drying on skin
14. 14.🔍 Which is the odd one out? (a) wet hair drying (b) wet clothes drying (c) butter going runny (d) a puddle drying up
15. 15.💧 Which change is this: sweat drying on skin? (a) freezing (b) evaporation (c) melting (d) condensation
16. 16.🔍 Which is the odd one out? (a) drops under a pot lid (b) drops on a cold glass (c) a misty bathroom mirror (d) snow turning to water
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.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it disappears (c) it turns to smoke (d) it turns to drops
19. 19.⚖️ 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) True (b) False
20. 20.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a balloon (c) sunlight (d) turmeric powder
21. 21.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass leaks (c) vapour in air cools (d) the glass sweats
22. 22.💧 Which of these is evaporation? (a) snow turning to water (b) dew on morning grass (c) water becoming ice (d) a puddle drying up
23. 23.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
24. 24.⚖️ 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 measure it (c) we keep it the same
25. 25.True or false: a magnet is not needed for the water cycle bowl. (a) True (b) False
26. 26.⚖️ 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) sun or shade (b) how many drops form (c) the time we wait (d) the cling film cover
27. 27.💧 Which change is this: dew on morning grass? (a) condensation (b) melting (c) evaporation (d) freezing
28. 28.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
29. 29.💧 Which change is this: water becoming ice? (a) evaporation (b) condensation (c) freezing (d) melting
30. 30.⚖️ 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) how many drops form (c) sun or shade (d) the cling film cover
31. 31.💧 Which of these is melting? (a) wet clothes drying (b) water becoming ice (c) snow turning to water (d) a puddle drying up
32. 32.🔍 Which is the odd one out? (a) butter going runny (b) snow turning to water (c) dew on morning grass (d) ice becoming water
33. 33.⚖️ 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) the time we wait (b) sun or shade (c) how many drops form
34. 34.💧 Which change is this: drops on a cold glass? (a) evaporation (b) freezing (c) condensation (d) melting
35. 35.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the amount of water”? (a) we measure it (b) we keep it the same (c) we change it
36. 36.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) leave them wet (c) slide on them (d) pour more water
37. 37.True or false: a magnet is needed for the water cycle bowl. (a) False (b) True
38. 38.⚖️ 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) True (b) False
39. 39.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a battery cell (c) a big bowl (d) ice cubes
40. 40.⚖️ 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 the one thing we change. (a) False (b) True

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