Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 332 · 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 small cup is not needed for the water cycle bowl. (a) True (b) False
2. 2.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
3. 3.💧 Which change is this: wet hair drying? (a) melting (b) evaporation (c) condensation (d) freezing
4. 4.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
5. 5.💧 Which change is this: drops on a cold glass? (a) freezing (b) condensation (c) melting (d) evaporation
6. 6.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water is heavy (c) it changes colour (d) hot water can scald
7. 7.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) rain (c) wind (d) lightning
8. 8.⚖️ 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 change it (b) we keep it the same (c) we measure it
9. 9.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a big bowl (c) sunlight (d) a magnet
10. 10.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
11. 11.True or false: sweat drying on skin is evaporation. (a) True (b) False
12. 12.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
13. 13.🔍 Which is the odd one out? (a) butter going runny (b) sweat drying on skin (c) wet hair drying (d) a puddle drying up
14. 14.True or false: a puddle drying up is melting. (a) True (b) False
15. 15.True or false: wet hair drying is condensation. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) dew on morning grass (b) drops on a cold glass (c) ice becoming water (d) a misty bathroom mirror
17. 17.⚖️ 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 measure it (c) we change it
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 time we wait”? (a) we keep it the same (b) we change it (c) we measure it
19. 19.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) sunlight (c) water (d) a balloon
20. 20.💧 Which of these is condensation? (a) snow turning to water (b) drops under a pot lid (c) sweat drying on skin (d) a puddle drying up
21. 21.True or false: butter going runny is condensation. (a) False (b) True
22. 22.💧 Which change is this: ice becoming water? (a) condensation (b) freezing (c) melting (d) evaporation
23. 23.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) cling film (c) turmeric powder (d) a balloon
24. 24.⚖️ 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) sun or shade (b) the time we wait (c) the size of the bowl (d) how many drops form
25. 25.True or false: a mirror is not needed for the water cycle bowl. (a) True (b) False
26. 26.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
27. 27.True or false: a pond icing over is freezing. (a) False (b) True
28. 28.True or false: water is needed for the water cycle bowl. (a) False (b) True
29. 29.💧 Which of these is condensation? (a) a misty bathroom mirror (b) wet hair drying (c) ice becoming water (d) a pond icing over
30. 30.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the bowl itself (c) water warmed by the Sun (d) the cling film
31. 31.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) wipe them dry (c) pour more water (d) leave them wet
32. 32.True or false: wet clothes drying is evaporation. (a) False (b) True
33. 33.True or false: cling film is not needed for the water cycle bowl. (a) False (b) True
34. 34.⚖️ 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 cling film cover (b) sun or shade (c) how many drops form
35. 35.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) it turns to salt (c) the water increases (d) it turns to ice
36. 36.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a battery cell (c) a magnet (d) sunlight
37. 37.💧 Which of these is condensation? (a) ice becoming water (b) making ice lollies (c) drops on a cold glass (d) butter going runny
38. 38.⚖️ 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) True (b) False
39. 39.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) a battery cell (c) a big bowl (d) ice cubes
40. 40.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a small cup (c) water (d) a magnet

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