Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 666 · 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.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the air outside (c) water warmed by the Sun (d) the cling film
2. 2.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it disappears (c) it turns to drops (d) it turns to salt
3. 3.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) vapour in air cools (c) the glass sweats (d) the glass leaks
4. 4.💧 Which change is this: drops under a pot lid? (a) freezing (b) melting (c) evaporation (d) condensation
5. 5.⚖️ 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) sun or shade (b) the amount of water (c) the size of the bowl (d) how many drops form
6. 6.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a magnet (c) water (d) a small cup
7. 7.True or false: a pond icing over is condensation. (a) True (b) False
8. 8.True or false: water is not needed for the water cycle bowl. (a) False (b) True
9. 9.⚖️ 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 amount of water (c) sun or shade (d) the time we wait
10. 10.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) yeast (c) water (d) a big bowl
11. 11.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) the water turns red (c) fewer drops form (d) the bowl freezes
12. 12.True or false: a magnet is needed for the water cycle bowl. (a) False (b) True
13. 13.⚖️ 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 the one thing we change. (a) True (b) False
14. 14.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
15. 15.🔍 Which is the odd one out? (a) a puddle drying up (b) sweat drying on skin (c) wet hair drying (d) snow turning to water
16. 16.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) they never dry (c) faster (d) slower
17. 17.🧺 Which of these is not needed for the water cycle bowl? (a) a battery cell (b) sunlight (c) a big bowl (d) cling film
18. 18.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) the water increases (c) it turns to salt (d) it turns to ice
19. 19.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
20. 20.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) pour more water (c) leave them wet (d) wipe them dry
21. 21.💧 Which change is this: wet hair drying? (a) melting (b) freezing (c) evaporation (d) condensation
22. 22.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) turmeric powder (c) cling film (d) sunlight
23. 23.💧 Which of these is evaporation? (a) snow turning to water (b) a pond icing over (c) making ice lollies (d) wet clothes drying
24. 24.True or false: a puddle drying up is melting. (a) False (b) True
25. 25.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) hot water is heavy (c) hot water is magnetic (d) it changes colour
26. 26.⚖️ 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
27. 27.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) water (c) yeast (d) cling film
28. 28.💧 Which change is this: snow turning to water? (a) condensation (b) melting (c) freezing (d) evaporation
29. 29.⚖️ 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 measure it (c) we keep it the same
30. 30.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) ice cubes (c) cling film (d) a balloon
31. 31.⚖️ 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 change it (b) we measure it (c) we keep it the same
32. 32.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
33. 33.🧺 Which of these is needed for the water cycle bowl? (a) ice cubes (b) yeast (c) a mirror (d) a battery cell
34. 34.💧 Which of these is evaporation? (a) drops under a pot lid (b) snow turning to water (c) dew on morning grass (d) wet hair drying
35. 35.True or false: water becoming ice is freezing. (a) False (b) True
36. 36.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) cling film (c) sunlight (d) a magnet
37. 37.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) sunlight (c) a mirror (d) a magnet
38. 38.💧 Which of these is freezing? (a) a misty bathroom mirror (b) drops under a pot lid (c) sweat drying on skin (d) making ice lollies
39. 39.⚖️ 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 measure it (c) we change it
40. 40.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) water becoming ice (c) making ice lollies (d) a pond icing over

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