Water Cycle Experiment Worksheet

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

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