Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 147 · 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.True or false: sunlight is needed for the water cycle bowl. (a) False (b) True
2. 2.🔮 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) the water increases (d) some water evaporates
3. 3.💧 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
4. 4.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) turmeric powder (b) a small cup (c) a big bowl (d) sunlight
5. 5.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
6. 6.True or false: wet hair drying is evaporation. (a) False (b) True
7. 7.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the size of the bowl is what we measure. (a) False (b) True
8. 8.True or false: sunlight is not needed for the water cycle bowl. (a) True (b) False
9. 9.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
10. 10.💧 Which of these is condensation? (a) water becoming ice (b) sweat drying on skin (c) drops on a cold glass (d) butter going runny
11. 11.⚖️ 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 change it (b) we keep it the same (c) we measure it
12. 12.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
13. 13.🧺 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
14. 14.🔍 Which is the odd one out? (a) water becoming ice (b) a pond icing over (c) making ice lollies (d) sweat drying on skin
15. 15.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it turns to drops (c) it disappears (d) it turns to salt
16. 16.True or false: snow turning to water is melting. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) drops on a cold glass (b) butter going runny (c) a misty bathroom mirror (d) dew on morning grass
18. 18.🔍 Which is the odd one out? (a) wet clothes drying (b) sweat drying on skin (c) wet hair drying (d) a pond icing over
19. 19.💧 Which of these is evaporation? (a) making ice lollies (b) water becoming ice (c) wet clothes drying (d) dew on morning grass
20. 20.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) a magnet (c) a big bowl (d) cling film
21. 21.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they turn to ice (c) they never dry (d) faster
22. 22.⚖️ 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 amount of water (b) how many drops form (c) the time we wait (d) the size of the bowl
23. 23.True or false: a battery cell is needed for the water cycle bowl. (a) True (b) False
24. 24.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) yeast (c) a big bowl (d) sunlight
25. 25.💧 Which of these is evaporation? (a) a puddle drying up (b) drops on a cold glass (c) butter going runny (d) dew on morning grass
26. 26.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
27. 27.💧 Which of these is evaporation? (a) snow turning to water (b) drops under a pot lid (c) wet hair drying (d) making ice lollies
28. 28.True or false: dew on morning grass is condensation. (a) True (b) False
29. 29.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the size of the bowl is kept the same. (a) False (b) True
30. 30.💧 Which change is this: dew on morning grass? (a) freezing (b) condensation (c) melting (d) evaporation
31. 31.💧 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
32. 32.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) water (c) a magnet (d) a mirror
33. 33.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) pour more water (c) wipe them dry (d) leave them wet
34. 34.💧 Which change is this: drops under a pot lid? (a) melting (b) condensation (c) evaporation (d) freezing
35. 35.⚖️ 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) sun or shade (d) how many drops form
36. 36.⚖️ 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 keep it the same (b) we change it (c) we measure it
37. 37.⚖️ 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) True (b) False
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a battery cell (c) a big bowl (d) ice cubes
39. 39.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
40. 40.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) hot water is magnetic (c) hot water is heavy (d) it changes colour

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