Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 631 · 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.True or false: sweat drying on skin is freezing. (a) False (b) True
2. 2.⚖️ 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
3. 3.⚖️ 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 the one thing we change. (a) True (b) False
4. 4.🧺 Which of these is not needed for the water cycle bowl? (a) a magnet (b) a small cup (c) water (d) a big bowl
5. 5.💧 Which of these is melting? (a) a puddle drying up (b) snow turning to water (c) a pond icing over (d) sweat drying on skin
6. 6.💧 Which change is this: butter going runny? (a) condensation (b) evaporation (c) freezing (d) melting
7. 7.True or false: butter going runny is condensation. (a) True (b) False
8. 8.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) ice cubes (c) a small cup (d) a magnet
9. 9.🔍 Which is the odd one out? (a) dew on morning grass (b) water becoming ice (c) a misty bathroom mirror (d) drops under a pot lid
10. 10.⚖️ 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) sun or shade (c) the size of the bowl (d) how many drops form
11. 11.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
12. 12.⚖️ 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
13. 13.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) more drops form (c) the water turns red (d) the bowl freezes
14. 14.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a mirror (c) yeast (d) a small cup
15. 15.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) slide on them (c) wipe them dry (d) leave them wet
16. 16.💧 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
17. 17.True or false: a mirror is not needed for the water cycle bowl. (a) False (b) True
18. 18.True or false: yeast is needed for the water cycle bowl. (a) True (b) False
19. 19.⚖️ 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 time we wait (b) how many drops form (c) sun or shade
20. 20.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) hot water is heavy (c) it changes colour (d) hot water is magnetic
21. 21.💧 Which change is this: drops under a pot lid? (a) freezing (b) condensation (c) melting (d) evaporation
22. 22.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) cling film (d) a balloon
23. 23.🔍 Which is the odd one out? (a) a pond icing over (b) dew on morning grass (c) drops under a pot lid (d) drops on a cold glass
24. 24.True or false: water becoming ice is evaporation. (a) False (b) True
25. 25.💧 Which change is this: dew on morning grass? (a) melting (b) evaporation (c) condensation (d) freezing
26. 26.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it disappears (c) it turns to drops (d) it turns to smoke
27. 27.💧 Which of these is freezing? (a) a puddle drying up (b) drops on a cold glass (c) water becoming ice (d) wet hair drying
28. 28.💧 Which change is this: a puddle drying up? (a) melting (b) freezing (c) evaporation (d) condensation
29. 29.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is the one thing we change. (a) False (b) True
30. 30.⚖️ 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 time we wait (b) the amount of water (c) the size of the bowl (d) how many drops form
31. 31.🧺 Do we need ice cubes for the water cycle bowl? (a) not needed (b) needed
32. 32.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) cling film (c) a balloon (d) a big bowl
33. 33.💧 Which change is this: ice becoming water? (a) freezing (b) melting (c) evaporation (d) condensation
34. 34.🔮 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
35. 35.True or false: water is not needed for the water cycle bowl. (a) True (b) False
36. 36.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a mirror (c) sunlight (d) turmeric powder
37. 37.⚖️ 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 keep it the same (c) we measure it
38. 38.🔮 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
39. 39.True or false: wet clothes drying is condensation. (a) True (b) False
40. 40.💧 Which of these is evaporation? (a) sweat drying on skin (b) a misty bathroom mirror (c) snow turning to water (d) butter going runny

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