Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 151 · 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.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to salt (c) it turns to drops (d) it turns to smoke
2. 2.True or false: a puddle drying up is evaporation. (a) False (b) True
3. 3.⚖️ 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 size of the bowl (b) the cling film cover (c) the time we wait (d) how many drops form
4. 4.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True
5. 5.⚖️ 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 amount of water (b) sun or shade (c) how many drops form
6. 6.⚖️ 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
7. 7.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a mirror (c) a balloon (d) a big bowl
8. 8.💧 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
9. 9.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) turmeric powder (b) a big bowl (c) ice cubes (d) sunlight
10. 10.💧 Which of these is melting? (a) a pond icing over (b) drops on a cold glass (c) a misty bathroom mirror (d) snow turning to water
11. 11.🛟 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
12. 12.True or false: sunlight is not needed for the water cycle bowl. (a) True (b) False
13. 13.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) they turn to ice (c) they never dry (d) slower
14. 14.🔍 Which is the odd one out? (a) snow turning to water (b) butter going runny (c) ice becoming water (d) wet clothes drying
15. 15.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
16. 16.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a magnet (c) sunlight (d) a big bowl
17. 17.📘 What is water vapour? (a) water as a gas (b) tiny ice cubes (c) salty water (d) a kind of smoke
18. 18.🛟 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
19. 19.🔍 Which is the odd one out? (a) making ice lollies (b) butter going runny (c) a pond icing over (d) water becoming ice
20. 20.💧 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 leaks (d) the glass sweats
21. 21.🔍 Which is the odd one out? (a) drops under a pot lid (b) water becoming ice (c) drops on a cold glass (d) a misty bathroom mirror
22. 22.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) water (d) a balloon
23. 23.⚖️ 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 time we wait (b) the cling film cover (c) how many drops form (d) sun or shade
24. 24.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
25. 25.⚖️ 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 measure it (b) we change it (c) we keep it the same
26. 26.True or false: dew on morning grass is evaporation. (a) False (b) True
27. 27.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
28. 28.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a battery cell (c) sunlight (d) ice cubes
29. 29.🧺 Which of these is needed for the water cycle bowl? (a) sunlight (b) a balloon (c) a mirror (d) a magnet
30. 30.💧 Which change is this: drops under a pot lid? (a) evaporation (b) condensation (c) melting (d) freezing
31. 31.💧 Which of these is melting? (a) water becoming ice (b) a misty bathroom mirror (c) wet clothes drying (d) ice becoming water
32. 32.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) yeast (c) water (d) a mirror
33. 33.💧 Which change is this: sweat drying on skin? (a) condensation (b) freezing (c) melting (d) evaporation
34. 34.⚖️ 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
35. 35.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) ice cubes (c) turmeric powder (d) water
36. 36.🧺 Which of these is not needed for the water cycle bowl? (a) a mirror (b) a big bowl (c) water (d) a small cup
37. 37.🧺 Which of these is not needed for the water cycle bowl? (a) a magnet (b) ice cubes (c) water (d) cling film
38. 38.🔮 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
39. 39.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
40. 40.⚖️ 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 measure it (b) we keep it the same (c) we change it

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