Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 320 · 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 big bowl for the water cycle bowl? (a) not needed (b) needed
2. 2.True or false: a mirror is needed for the water cycle bowl. (a) False (b) True
3. 3.💧 Which of these is melting? (a) dew on morning grass (b) water becoming ice (c) ice becoming water (d) wet clothes drying
4. 4.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) cling film (c) a small cup (d) a battery cell
5. 5.💧 Which change is this: sweat drying on skin? (a) melting (b) condensation (c) freezing (d) evaporation
6. 6.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a big bowl (c) a magnet (d) sunlight
7. 7.🔍 Which is the odd one out? (a) drops under a pot lid (b) ice becoming water (c) drops on a cold glass (d) a misty bathroom mirror
8. 8.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) ice cubes (c) water (d) a magnet
9. 9.⚖️ 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
10. 10.⚖️ 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 change it (b) we measure it (c) we keep it the same
11. 11.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
12. 12.True or false: a big bowl is not needed for the water cycle bowl. (a) True (b) False
13. 13.⚖️ 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 change it (c) we keep it the same
14. 14.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False
15. 15.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) rain (b) sunshine (c) wind (d) lightning
16. 16.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
17. 17.True or false: snow turning to water is condensation. (a) False (b) True
18. 18.⚖️ 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 amount of water
19. 19.⚖️ 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 what we measure. (a) True (b) False
20. 20.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the cling film (c) the bowl itself (d) the air outside
21. 21.⚖️ 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) how many drops form (b) sun or shade (c) the amount of water (d) the time we wait
22. 22.True or false: snow turning to water is melting. (a) True (b) False
23. 23.True or false: sweat drying on skin is evaporation. (a) True (b) False
24. 24.💧 Which of these is evaporation? (a) a puddle drying up (b) drops on a cold glass (c) butter going runny (d) a misty bathroom mirror
25. 25.💧 Which of these is condensation? (a) wet clothes drying (b) sweat drying on skin (c) snow turning to water (d) dew on morning grass
26. 26.🛟 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
27. 27.💧 Which change is this: wet clothes drying? (a) melting (b) condensation (c) freezing (d) evaporation
28. 28.🔍 Which is the odd one out? (a) drops under a pot lid (b) a pond icing over (c) dew on morning grass (d) drops on a cold glass
29. 29.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) faster (c) slower (d) they turn to ice
30. 30.True or false: water is not needed for the water cycle bowl. (a) True (b) False
31. 31.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
32. 32.⚖️ 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
33. 33.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is what we measure. (a) False (b) True
34. 34.True or false: ice becoming water is freezing. (a) False (b) True
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 keep it the same (b) we change it (c) we measure it
36. 36.💧 Which change is this: a puddle drying up? (a) melting (b) evaporation (c) freezing (d) condensation
37. 37.🧺 Which of these is needed for the water cycle bowl? (a) ice cubes (b) yeast (c) a balloon (d) turmeric powder
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) cling film (d) turmeric powder
39. 39.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to ice (c) some water evaporates (d) it turns to salt
40. 40.🔍 Which is the odd one out? (a) wet clothes drying (b) water becoming ice (c) sweat drying on skin (d) a puddle drying up

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