Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 880 · 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: a puddle drying up is evaporation. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) wet clothes drying (b) snow turning to water (c) a puddle drying up (d) sweat drying on skin
3. 3.True or false: cling film is needed for the water cycle bowl. (a) True (b) False
4. 4.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) water (c) a balloon (d) a small cup
5. 5.💧 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
6. 6.💧 Which change is this: wet clothes drying? (a) condensation (b) freezing (c) evaporation (d) melting
7. 7.True or false: butter going runny is melting. (a) False (b) True
8. 8.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
9. 9.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the cling film cover”? (a) we keep it the same (b) we change it (c) we measure it
10. 10.💧 Which of these is evaporation? (a) making ice lollies (b) wet hair drying (c) butter going runny (d) ice becoming water
11. 11.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a mirror (c) ice cubes (d) a small cup
12. 12.⚖️ 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 keep it the same (b) we measure it (c) we change it
13. 13.💧 Which change is this: butter going runny? (a) condensation (b) freezing (c) melting (d) evaporation
14. 14.True or false: sweat drying on skin is freezing. (a) True (b) False
15. 15.⚖️ 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
16. 16.⚖️ 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 kept the same. (a) False (b) True
17. 17.💧 Which change is this: drops under a pot lid? (a) evaporation (b) melting (c) condensation (d) freezing
18. 18.🧺 Which of these is not needed for the water cycle bowl? (a) a balloon (b) water (c) ice cubes (d) cling film
19. 19.True or false: turmeric powder is needed for the water cycle bowl. (a) True (b) False
20. 20.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) yeast (c) cling film (d) water
21. 21.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) the glass sweats (c) ice escapes the glass (d) vapour in air cools
22. 22.True or false: dew on morning grass is condensation. (a) True (b) False
23. 23.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
24. 24.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) water as a gas (d) salty water
25. 25.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) the water turns red (c) fewer drops form (d) more drops form
26. 26.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) wipe them dry (c) slide on them (d) pour more water
27. 27.🔮 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
28. 28.True or false: making ice lollies is evaporation. (a) False (b) True
29. 29.⚖️ 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 measure it (b) we change it (c) we keep it the same
30. 30.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
31. 31.💧 Which of these is melting? (a) a misty bathroom mirror (b) sweat drying on skin (c) a puddle drying up (d) butter going runny
32. 32.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it disappears (c) it turns to drops (d) it turns to salt
33. 33.⚖️ 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) True (b) False
34. 34.True or false: a puddle drying up is melting. (a) False (b) True
35. 35.True or false: ice cubes is not needed for the water cycle bowl. (a) True (b) False
36. 36.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) it changes colour (c) hot water can scald (d) hot water is heavy
37. 37.True or false: a small cup is not needed for the water cycle bowl. (a) False (b) True
38. 38.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a balloon (c) ice cubes (d) turmeric powder
39. 39.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
40. 40.True or false: drops on a cold glass is freezing. (a) True (b) False

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