Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 667 · 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 of these is needed for the water cycle bowl? (a) a big bowl (b) yeast (c) a mirror (d) a battery cell
2. 2.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
3. 3.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass leaks (c) the glass sweats (d) vapour in air cools
4. 4.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) yeast (c) a big bowl (d) cling film
5. 5.⚖️ 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 measure it (c) we keep it the same
6. 6.⚖️ 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 what we measure. (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 cling film cover is kept the same. (a) True (b) False
8. 8.⚖️ 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) how many drops form (b) the cling film cover (c) sun or shade (d) the size of the bowl
9. 9.⚖️ 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 kept the same. (a) True (b) False
10. 10.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) cling film (c) a battery cell (d) yeast
11. 11.True or false: a battery cell is needed for the water cycle bowl. (a) True (b) False
12. 12.💧 Which of these is evaporation? (a) wet clothes drying (b) butter going runny (c) water becoming ice (d) a misty bathroom mirror
13. 13.🔍 Which is the odd one out? (a) butter going runny (b) ice becoming water (c) snow turning to water (d) making ice lollies
14. 14.⚖️ 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 cling film cover (b) how many drops form (c) sun or shade
15. 15.🧺 Which of these is not needed for the water cycle bowl? (a) a magnet (b) a big bowl (c) water (d) cling film
16. 16.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water can scald (c) it changes colour (d) hot water is magnetic
17. 17.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it turns to drops (c) it turns to salt (d) it disappears
18. 18.True or false: ice cubes is not needed for the water cycle bowl. (a) False (b) True
19. 19.💧 Which of these is evaporation? (a) making ice lollies (b) dew on morning grass (c) butter going runny (d) a puddle drying up
20. 20.🔍 Which is the odd one out? (a) drops under a pot lid (b) dew on morning grass (c) a pond icing over (d) drops on a cold glass
21. 21.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) lightning (c) rain (d) sunshine
22. 22.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) leave them wet (c) pour more water (d) wipe them dry
23. 23.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to ice (c) it turns to salt (d) some water evaporates
24. 24.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) they turn to ice (c) slower (d) faster
25. 25.💧 Which of these is condensation? (a) making ice lollies (b) drops on a cold glass (c) sweat drying on skin (d) ice becoming water
26. 26.💧 Which change is this: wet clothes drying? (a) melting (b) evaporation (c) condensation (d) freezing
27. 27.🔍 Which is the odd one out? (a) making ice lollies (b) water becoming ice (c) butter going runny (d) a pond icing over
28. 28.True or false: cling film is needed for the water cycle bowl. (a) True (b) False
29. 29.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) turmeric powder (c) water (d) sunlight
30. 30.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
31. 31.True or false: yeast is not needed for the water cycle bowl. (a) True (b) False
32. 32.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is what we measure. (a) False (b) True
33. 33.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) the water turns red (c) fewer drops form (d) more drops form
34. 34.True or false: sweat drying on skin is freezing. (a) False (b) True
35. 35.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the cling film (c) the air outside (d) water warmed by the Sun
36. 36.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
37. 37.True or false: water becoming ice is condensation. (a) False (b) True
38. 38.⚖️ 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
39. 39.⚖️ 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 measure it (c) we change it
40. 40.True or false: yeast is needed for the water cycle bowl. (a) False (b) True

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