Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 239 · 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.⚖️ 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) sun or shade
2. 2.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) leave them wet (c) pour more water (d) slide on them
3. 3.True or false: ice cubes is not needed for the water cycle bowl. (a) False (b) True
4. 4.True or false: a battery cell is needed for the water cycle bowl. (a) True (b) False
5. 5.True or false: a balloon is not needed for the water cycle bowl. (a) True (b) False
6. 6.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) hot water is magnetic (c) it changes colour (d) hot water is heavy
7. 7.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
8. 8.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
9. 9.💧 Which change is this: drops on a cold glass? (a) evaporation (b) freezing (c) condensation (d) melting
10. 10.🔮 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
11. 11.💧 Which change is this: drops under a pot lid? (a) condensation (b) evaporation (c) melting (d) freezing
12. 12.True or false: drops on a cold glass is condensation. (a) False (b) True
13. 13.💧 Which change is this: water becoming ice? (a) evaporation (b) melting (c) condensation (d) freezing
14. 14.💧 Which of these is freezing? (a) a pond icing over (b) wet hair drying (c) wet clothes drying (d) a puddle drying up
15. 15.🔍 Which is the odd one out? (a) sweat drying on skin (b) a misty bathroom mirror (c) a puddle drying up (d) wet hair drying
16. 16.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) water warmed by the Sun (c) the cling film (d) the air outside
17. 17.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
18. 18.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) a balloon (c) a big bowl (d) cling film
19. 19.💧 Which of these is condensation? (a) making ice lollies (b) a pond icing over (c) wet clothes drying (d) drops under a pot lid
20. 20.💧 Which of these is evaporation? (a) sweat drying on skin (b) dew on morning grass (c) drops on a cold glass (d) a misty bathroom mirror
21. 21.⚖️ 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
22. 22.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
23. 23.⚖️ 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) how many drops form (b) sun or shade (c) the time we wait
24. 24.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) water (c) ice cubes (d) turmeric powder
25. 25.💧 Why do water drops form on the outside of a glass of ice water? (a) vapour in air cools (b) ice escapes the glass (c) the glass sweats (d) the glass leaks
26. 26.True or false: sweat drying on skin is condensation. (a) False (b) True
27. 27.True or false: turmeric powder is needed for the water cycle bowl. (a) False (b) True
28. 28.True or false: a magnet is not needed for the water cycle bowl. (a) True (b) False
29. 29.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) rain (b) sunshine (c) wind (d) lightning
30. 30.⚖️ 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
31. 31.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) the water turns red (c) more drops form (d) fewer drops form
32. 32.⚖️ 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
33. 33.True or false: wet clothes drying is freezing. (a) False (b) True
34. 34.True or false: ice cubes is needed for the water cycle bowl. (a) True (b) False
35. 35.True or false: a small cup is needed for the water cycle bowl. (a) False (b) True
36. 36.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
37. 37.⚖️ 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 the one thing we change. (a) False (b) True
38. 38.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) some water evaporates (c) the water increases (d) it turns to ice
39. 39.🧺 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 battery cell
40. 40.⚖️ 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 change it (b) we keep it the same (c) we measure it

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