Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 380 · 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? What do we do with “how many drops form”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water is magnetic (c) hot water can scald (d) it changes colour
3. 3.⚖️ 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 size of the bowl (d) the cling film cover
4. 4.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
5. 5.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it turns to salt (c) it turns to drops (d) it disappears
6. 6.⚖️ 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) True (b) False
7. 7.⚖️ 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
8. 8.🔮 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
9. 9.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) yeast (c) water (d) a big bowl
10. 10.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) slide on them (c) pour more water (d) wipe them dry
11. 11.🔍 Which is the odd one out? (a) dew on morning grass (b) drops under a pot lid (c) a misty bathroom mirror (d) a pond icing over
12. 12.💧 Which of these is evaporation? (a) drops on a cold glass (b) a misty bathroom mirror (c) dew on morning grass (d) wet clothes drying
13. 13.💧 Which change is this: making ice lollies? (a) melting (b) evaporation (c) condensation (d) freezing
14. 14.💧 Which change is this: sweat drying on skin? (a) condensation (b) evaporation (c) melting (d) freezing
15. 15.🧺 Which of these is not needed for the water cycle bowl? (a) turmeric powder (b) sunlight (c) water (d) ice cubes
16. 16.True or false: a small cup is not needed for the water cycle bowl. (a) True (b) False
17. 17.💧 Which of these is evaporation? (a) a pond icing over (b) drops on a cold glass (c) sweat drying on skin (d) drops under a pot lid
18. 18.⚖️ 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 measure it (b) we change it (c) we keep it the same
19. 19.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a mirror (c) ice cubes (d) turmeric powder
20. 20.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
21. 21.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
22. 22.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
23. 23.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) the glass leaks (c) vapour in air cools (d) ice escapes the glass
24. 24.⚖️ 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) True (b) False
25. 25.💧 Which of these is melting? (a) sweat drying on skin (b) a puddle drying up (c) a misty bathroom mirror (d) ice becoming water
26. 26.💧 Which change is this: ice becoming water? (a) evaporation (b) melting (c) freezing (d) condensation
27. 27.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) a battery cell (c) a big bowl (d) sunlight
28. 28.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) water (c) a magnet (d) a battery cell
29. 29.True or false: a big bowl is needed for the water cycle bowl. (a) False (b) True
30. 30.True or false: a battery cell is needed for the water cycle bowl. (a) True (b) False
31. 31.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a big bowl (c) turmeric powder (d) ice cubes
32. 32.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) sunlight (c) cling film (d) a battery cell
33. 33.💧 Which of these is freezing? (a) wet clothes drying (b) a misty bathroom mirror (c) a pond icing over (d) drops on a cold glass
34. 34.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) the water increases (c) some water evaporates (d) it turns to ice
35. 35.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the amount of water is what we measure. (a) False (b) True
36. 36.⚖️ 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 measure it (b) we change it (c) we keep it the same
37. 37.True or false: sweat drying on skin is freezing. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) wet clothes drying (b) wet hair drying (c) sweat drying on skin (d) drops on a cold glass
39. 39.⚖️ 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 the one thing we change. (a) False (b) True
40. 40.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True

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