Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 621 · 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.💧 Which change is this: wet hair drying? (a) condensation (b) melting (c) freezing (d) evaporation
2. 2.True or false: a small cup is not needed for the water cycle bowl. (a) True (b) False
3. 3.⚖️ 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 what we measure. (a) False (b) True
4. 4.⚖️ 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
5. 5.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) they never dry (c) they turn to ice (d) slower
6. 6.⚖️ 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 change it (c) we keep it the same
7. 7.⚖️ 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) the cling film cover (c) how many drops form
8. 8.💧 Which of these is evaporation? (a) dew on morning grass (b) sweat drying on skin (c) a pond icing over (d) drops on a cold glass
9. 9.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
10. 10.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) ice escapes the glass (c) vapour in air cools (d) the glass leaks
11. 11.🧺 Which of these is needed for the water cycle bowl? (a) a big bowl (b) turmeric powder (c) yeast (d) a battery cell
12. 12.⚖️ 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 cling film cover (b) the time we wait (c) sun or shade (d) the size of the bowl
13. 13.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a magnet (c) sunlight (d) water
14. 14.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
15. 15.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True
16. 16.True or false: cling film is needed for the water cycle bowl. (a) True (b) False
17. 17.⚖️ 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) the size of the bowl (c) how many drops form
18. 18.True or false: a puddle drying up is evaporation. (a) True (b) False
19. 19.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a small cup (c) a big bowl (d) a mirror
20. 20.💧 Which change is this: water becoming ice? (a) condensation (b) freezing (c) melting (d) evaporation
21. 21.🔍 Which is the odd one out? (a) drops on a cold glass (b) dew on morning grass (c) a puddle drying up (d) a misty bathroom mirror
22. 22.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) wipe them dry (c) slide on them (d) pour more water
23. 23.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) cling film (c) a battery cell (d) a mirror
24. 24.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a magnet (c) sunlight (d) yeast
25. 25.💧 Which change is this: a puddle drying up? (a) evaporation (b) freezing (c) condensation (d) melting
26. 26.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: how many drops form is the one thing we change. (a) False (b) True
27. 27.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) turmeric powder (c) a big bowl (d) water
28. 28.💧 Which of these is condensation? (a) sweat drying on skin (b) butter going runny (c) a misty bathroom mirror (d) wet hair drying
29. 29.💧 Which of these is evaporation? (a) dew on morning grass (b) a puddle drying up (c) drops on a cold glass (d) snow turning to water
30. 30.💧 Which of these is freezing? (a) drops on a cold glass (b) a puddle drying up (c) a pond icing over (d) sweat drying on skin
31. 31.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) cling film (c) a battery cell (d) a big bowl
32. 32.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
33. 33.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) yeast (c) a big bowl (d) cling film
34. 34.🔮 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
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 measure it (c) we change it
36. 36.🔍 Which is the odd one out? (a) drops on a cold glass (b) drops under a pot lid (c) dew on morning grass (d) making ice lollies
37. 37.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water can scald (c) hot water is magnetic (d) hot water is heavy
38. 38.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) a small cup (c) yeast (d) sunlight
39. 39.🔮 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
40. 40.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed

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