Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 612 · 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? True or false: how many drops form is kept the same. (a) True (b) False
2. 2.True or false: a balloon is needed for the water cycle bowl. (a) False (b) True
3. 3.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
4. 4.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass sweats (c) the glass leaks (d) vapour in air cools
5. 5.💧 Which change is this: a pond icing over? (a) melting (b) evaporation (c) freezing (d) condensation
6. 6.🔍 Which is the odd one out? (a) butter going runny (b) sweat drying on skin (c) snow turning to water (d) ice becoming water
7. 7.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) lightning (c) wind (d) rain
8. 8.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a mirror (c) turmeric powder (d) a big bowl
9. 9.💧 Which change is this: ice becoming water? (a) freezing (b) evaporation (c) melting (d) condensation
10. 10.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the bowl itself (c) the cling film (d) water warmed by the Sun
11. 11.🔮 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
12. 12.🧺 Do we need a battery cell for the water cycle bowl? (a) needed (b) not needed
13. 13.🔍 Which is the odd one out? (a) sweat drying on skin (b) snow turning to water (c) a puddle drying up (d) wet clothes drying
14. 14.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) turmeric powder (c) ice cubes (d) sunlight
15. 15.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) yeast (c) sunlight (d) a magnet
16. 16.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) fewer drops form (c) more drops form (d) the water turns red
17. 17.💧 Which change is this: dew on morning grass? (a) melting (b) evaporation (c) condensation (d) freezing
18. 18.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) water (c) ice cubes (d) a big bowl
19. 19.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it turns to salt (c) it disappears (d) it turns to drops
20. 20.⚖️ 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) the time we wait (c) how many drops form (d) sun or shade
21. 21.🔍 Which is the odd one out? (a) ice becoming water (b) butter going runny (c) making ice lollies (d) snow turning to water
22. 22.⚖️ 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) sun or shade (c) the time we wait (d) the cling film cover
23. 23.True or false: water becoming ice is condensation. (a) True (b) False
24. 24.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) sunlight (c) a battery cell (d) cling film
25. 25.🔮 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
26. 26.📘 What is water vapour? (a) a kind of smoke (b) salty water (c) tiny ice cubes (d) water as a gas
27. 27.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) water (c) a small cup (d) turmeric powder
28. 28.⚖️ 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
29. 29.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) a pond icing over (b) water becoming ice (c) making ice lollies (d) wet hair drying
31. 31.💧 Which change is this: wet hair drying? (a) melting (b) condensation (c) evaporation (d) freezing
32. 32.True or false: a puddle drying up is condensation. (a) False (b) True
33. 33.⚖️ 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
34. 34.🛟 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
35. 35.True or false: water is not needed for the water cycle bowl. (a) False (b) True
36. 36.True or false: wet clothes drying is evaporation. (a) False (b) True
37. 37.🛟 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
38. 38.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) a puddle drying up (c) wet clothes drying (d) sweat drying on skin
39. 39.True or false: a magnet is needed for the water cycle bowl. (a) True (b) False
40. 40.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is kept the same. (a) True (b) False

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