Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 317 · 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 battery cell for the water cycle bowl? (a) not needed (b) needed
2. 2.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) sunlight (c) a big bowl (d) a balloon
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 size of the bowl”? (a) we keep it the same (b) we change it (c) we measure it
4. 4.💧 Which of these is evaporation? (a) sweat drying on skin (b) ice becoming water (c) water becoming ice (d) drops on a cold glass
5. 5.⚖️ 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
6. 6.True or false: a mirror is needed for the water cycle bowl. (a) True (b) False
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) the amount of water (b) the size of the bowl (c) how many drops form (d) sun or shade
8. 8.🔍 Which is the odd one out? (a) water becoming ice (b) a pond icing over (c) ice becoming water (d) making ice lollies
9. 9.True or false: wet clothes drying is freezing. (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) a pond icing over (c) drops on a cold glass (d) dew on morning grass
11. 11.💧 Which of these is condensation? (a) wet clothes drying (b) making ice lollies (c) dew on morning grass (d) wet hair drying
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.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) it turns to salt (c) some water evaporates (d) the water increases
14. 14.True or false: wet hair drying is melting. (a) True (b) False
15. 15.True or false: a mirror is not needed for the water cycle bowl. (a) False (b) True
16. 16.⚖️ 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 what we measure. (a) False (b) True
17. 17.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a mirror (c) turmeric powder (d) a small cup
18. 18.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) turmeric powder (c) a big bowl (d) a balloon
19. 19.💧 Which change is this: a misty bathroom mirror? (a) evaporation (b) melting (c) condensation (d) freezing
20. 20.True or false: drops under a pot lid is melting. (a) False (b) True
21. 21.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) faster (c) they never dry (d) slower
22. 22.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the bowl freezes (c) the water turns red (d) more drops form
23. 23.True or false: a battery cell is needed for the water cycle bowl. (a) False (b) True
24. 24.True or false: snow turning to water is condensation. (a) True (b) False
25. 25.True or false: a big bowl is needed for the water cycle bowl. (a) True (b) False
26. 26.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) vapour in air cools (d) the glass sweats
27. 27.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) ice cubes (c) sunlight (d) a mirror
28. 28.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a big bowl (c) ice cubes (d) a battery cell
29. 29.⚖️ 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
30. 30.⚖️ 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) sun or shade (c) how many drops form
31. 31.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is heavy (c) hot water is magnetic (d) hot water can scald
32. 32.True or false: water is needed for the water cycle bowl. (a) False (b) True
33. 33.True or false: a small cup is not needed for the water cycle bowl. (a) False (b) True
34. 34.True or false: water becoming ice is freezing. (a) False (b) True
35. 35.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) water warmed by the Sun (c) the air outside (d) the cling film
36. 36.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a magnet (b) sunlight (c) a big bowl (d) cling film
37. 37.⚖️ 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 measure it (b) we keep it the same (c) we change it
38. 38.💧 Which of these is freezing? (a) wet clothes drying (b) snow turning to water (c) water becoming ice (d) a puddle drying up
39. 39.⚖️ 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) True (b) False
40. 40.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) turmeric powder (c) a big bowl (d) a small cup

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