Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 52 · 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 what we measure? (a) the time we wait (b) how many drops form (c) the amount of water (d) sun or shade
2. 2.True or false: ice cubes is needed for the water cycle bowl. (a) False (b) True
3. 3.⚖️ 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 keep it the same (b) we change it (c) we measure it
4. 4.True or false: cling film is needed for the water cycle bowl. (a) False (b) True
5. 5.True or false: a misty bathroom mirror is condensation. (a) False (b) True
6. 6.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) leave them wet (c) pour more water (d) wipe them dry
7. 7.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) more drops form (c) the water turns red (d) the bowl freezes
8. 8.⚖️ 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
9. 9.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a mirror (c) yeast (d) ice cubes
10. 10.⚖️ 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
11. 11.💧 Which of these is condensation? (a) water becoming ice (b) butter going runny (c) drops on a cold glass (d) ice becoming water
12. 12.🔍 Which is the odd one out? (a) a pond icing over (b) a misty bathroom mirror (c) water becoming ice (d) making ice lollies
13. 13.🔍 Which is the odd one out? (a) a pond icing over (b) wet clothes drying (c) sweat drying on skin (d) a puddle drying up
14. 14.🧺 Which of these is not needed for the water cycle bowl? (a) yeast (b) cling film (c) ice cubes (d) a big bowl
15. 15.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) water (c) sunlight (d) yeast
16. 16.True or false: a pond icing over is freezing. (a) True (b) False
17. 17.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) vapour in air cools (c) the glass leaks (d) ice escapes the glass
18. 18.True or false: wet hair drying is melting. (a) True (b) False
19. 19.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) it changes colour (c) hot water is heavy (d) hot water is magnetic
20. 20.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a magnet (b) water (c) sunlight (d) a big bowl
21. 21.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) rain (b) sunshine (c) wind (d) lightning
22. 22.⚖️ 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 the one thing we change. (a) False (b) True
23. 23.True or false: a magnet is not needed for the water cycle bowl. (a) True (b) False
24. 24.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the cling film cover is the one thing we change. (a) False (b) True
25. 25.⚖️ 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 size of the bowl (b) how many drops form (c) sun or shade
26. 26.⚖️ 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) sun or shade (c) how many drops form (d) the size of the bowl
27. 27.🔍 Which is the odd one out? (a) dew on morning grass (b) sweat drying on skin (c) drops under a pot lid (d) a misty bathroom mirror
28. 28.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the cling film (c) water warmed by the Sun (d) the air outside
29. 29.True or false: a small cup is needed for the water cycle bowl. (a) False (b) True
30. 30.💧 Which change is this: drops on a cold glass? (a) melting (b) condensation (c) freezing (d) evaporation
31. 31.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a big bowl (c) a small cup (d) a balloon
32. 32.💧 Which of these is melting? (a) ice becoming water (b) water becoming ice (c) wet clothes drying (d) sweat drying on skin
33. 33.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
34. 34.💧 Which change is this: a puddle drying up? (a) melting (b) condensation (c) evaporation (d) freezing
35. 35.🔍 Which is the odd one out? (a) dew on morning grass (b) ice becoming water (c) drops on a cold glass (d) a misty bathroom mirror
36. 36.💧 Which change is this: making ice lollies? (a) freezing (b) melting (c) condensation (d) evaporation
37. 37.⚖️ 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) sun or shade (b) how many drops form (c) the time we wait
38. 38.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
39. 39.💧 Which of these is evaporation? (a) water becoming ice (b) drops on a cold glass (c) wet hair drying (d) snow turning to water
40. 40.True or false: turmeric powder is not needed for the water cycle bowl. (a) False (b) True

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