Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 395 · 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? What do we do with “the size of the bowl”? (a) we keep it the same (b) we change it (c) we measure it
2. 2.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water can scald (c) hot water is magnetic (d) it changes colour
3. 3.💧 Which change is this: wet hair drying? (a) evaporation (b) freezing (c) condensation (d) melting
4. 4.🔍 Which is the odd one out? (a) snow turning to water (b) sweat drying on skin (c) ice becoming water (d) butter going runny
5. 5.True or false: a big bowl is needed for the water cycle bowl. (a) False (b) True
6. 6.True or false: a small cup is needed for the water cycle bowl. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) wet hair drying (b) a puddle drying up (c) wet clothes drying (d) a misty bathroom mirror
8. 8.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they never dry (c) they turn to ice (d) faster
9. 9.💧 Which of these is evaporation? (a) a misty bathroom mirror (b) wet clothes drying (c) dew on morning grass (d) drops under a pot lid
10. 10.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) it turns to ice (c) the water increases (d) it turns to salt
11. 11.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is the one thing we change. (a) False (b) True
12. 12.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) slide on them (c) pour more water (d) wipe them dry
13. 13.True or false: a magnet is not needed for the water cycle bowl. (a) False (b) True
14. 14.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
15. 15.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) turmeric powder (b) sunlight (c) water (d) ice cubes
16. 16.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) sunlight (c) a magnet (d) ice cubes
17. 17.⚖️ 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) the cling film cover (c) sun or shade (d) the time we wait
18. 18.💧 Which change is this: drops under a pot lid? (a) evaporation (b) melting (c) freezing (d) condensation
19. 19.True or false: ice cubes is not needed for the water cycle bowl. (a) True (b) False
20. 20.True or false: a misty bathroom mirror is evaporation. (a) True (b) False
21. 21.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the bowl freezes (c) more drops form (d) the water turns red
22. 22.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a mirror (c) a magnet (d) sunlight
23. 23.⚖️ 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 kept the same. (a) False (b) True
24. 24.💧 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
25. 25.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the bowl itself (c) the cling film (d) the air outside
26. 26.💧 Which change is this: dew on morning grass? (a) melting (b) condensation (c) evaporation (d) freezing
27. 27.True or false: snow turning to water is melting. (a) False (b) True
28. 28.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) lightning (c) rain (d) wind
29. 29.True or false: water becoming ice is freezing. (a) True (b) False
30. 30.True or false: sunlight is not needed for the water cycle bowl. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) snow turning to water (b) making ice lollies (c) butter going runny (d) ice becoming water
32. 32.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) turmeric powder (c) ice cubes (d) sunlight
33. 33.⚖️ 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 keep it the same (b) we change it (c) we measure it
34. 34.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) turmeric powder (c) a magnet (d) water
35. 35.💧 Which of these is freezing? (a) snow turning to water (b) drops on a cold glass (c) making ice lollies (d) drops under a pot lid
36. 36.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a magnet (c) cling film (d) sunlight
37. 37.💧 Which of these is evaporation? (a) making ice lollies (b) butter going runny (c) a pond icing over (d) wet hair drying
38. 38.💧 Which of these is melting? (a) a misty bathroom mirror (b) drops under a pot lid (c) wet hair drying (d) snow turning to water
39. 39.True or false: water is needed for the water cycle bowl. (a) True (b) False
40. 40.💧 Which change is this: a puddle drying up? (a) evaporation (b) condensation (c) melting (d) freezing

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