Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 641 · 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? True or false: the amount of water is what we measure. (a) True (b) False
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.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) the glass sweats (d) vapour in air cools
4. 4.True or false: a puddle drying up is evaporation. (a) False (b) True
5. 5.True or false: a small cup is needed for the water cycle bowl. (a) False (b) True
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) the size of the bowl (b) sun or shade (c) the amount of water (d) the cling film cover
7. 7.💧 Which change is this: sweat drying on skin? (a) freezing (b) condensation (c) evaporation (d) melting
8. 8.🔍 Which is the odd one out? (a) wet hair drying (b) water becoming ice (c) a puddle drying up (d) wet clothes drying
9. 9.True or false: sunlight is not needed for the water cycle bowl. (a) False (b) True
10. 10.⚖️ 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 cling film cover (b) how many drops form (c) sun or shade
11. 11.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
12. 12.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) water (c) sunlight (d) turmeric powder
13. 13.⚖️ 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) how many drops form (b) the cling film cover (c) the time we wait (d) sun or shade
14. 14.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
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 amount of water”? (a) we measure it (b) we change it (c) we keep it the same
16. 16.🔍 Which is the odd one out? (a) water becoming ice (b) making ice lollies (c) a pond icing over (d) butter going runny
17. 17.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) turmeric powder (c) a magnet (d) sunlight
18. 18.🔍 Which is the odd one out? (a) wet clothes drying (b) wet hair drying (c) drops under a pot lid (d) sweat drying on skin
19. 19.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the cling film (c) the air outside (d) water warmed by the Sun
20. 20.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the size of the bowl”? (a) we change it (b) we measure it (c) we keep it the same
21. 21.💧 Which of these is evaporation? (a) water becoming ice (b) making ice lollies (c) dew on morning grass (d) wet hair drying
22. 22.True or false: dew on morning grass is melting. (a) True (b) False
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 measure it (b) we change it (c) we keep it the same
24. 24.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) cling film (c) a magnet (d) water
25. 25.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) the water increases (c) some water evaporates (d) it turns to salt
26. 26.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a small cup (c) cling film (d) yeast
27. 27.💧 Which of these is condensation? (a) snow turning to water (b) wet hair drying (c) dew on morning grass (d) a puddle drying up
28. 28.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is what we measure. (a) False (b) True
29. 29.⚖️ 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 change it (c) we measure it
30. 30.🔍 Which is the odd one out? (a) sweat drying on skin (b) a puddle drying up (c) wet hair drying (d) snow turning to water
31. 31.💧 Which change is this: ice becoming water? (a) melting (b) evaporation (c) freezing (d) condensation
32. 32.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) sunshine (c) rain (d) wind
33. 33.🔍 Which is the odd one out? (a) water becoming ice (b) ice becoming water (c) making ice lollies (d) a pond icing over
34. 34.True or false: snow turning to water is evaporation. (a) False (b) True
35. 35.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a balloon (b) a small cup (c) sunlight (d) ice cubes
36. 36.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
37. 37.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a magnet (c) cling film (d) yeast
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) False (b) True
39. 39.💧 Which of these is freezing? (a) wet hair drying (b) butter going runny (c) a misty bathroom mirror (d) water becoming ice
40. 40.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False

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