Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 927 · 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.💧 Which of these is freezing? (a) ice becoming water (b) water becoming ice (c) snow turning to water (d) drops under a pot lid
2. 2.⚖️ 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) how many drops form (b) the amount of water (c) sun or shade (d) the cling film cover
3. 3.⚖️ 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
4. 4.⚖️ 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 the one thing we change. (a) False (b) True
5. 5.True or false: a magnet is needed for the water cycle bowl. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) wet hair drying (b) wet clothes drying (c) drops under a pot lid (d) sweat drying on skin
7. 7.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
8. 8.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) it turns to ice (c) the water increases (d) some water evaporates
9. 9.True or false: drops on a cold glass is evaporation. (a) False (b) True
10. 10.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) rain (b) lightning (c) wind (d) sunshine
11. 11.⚖️ 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
12. 12.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
13. 13.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) sunlight (c) turmeric powder (d) water
14. 14.🧺 Do we need ice cubes for the water cycle bowl? (a) not needed (b) needed
15. 15.🔍 Which is the odd one out? (a) water becoming ice (b) wet hair drying (c) a pond icing over (d) making ice lollies
16. 16.💧 Which change is this: wet clothes drying? (a) freezing (b) condensation (c) melting (d) evaporation
17. 17.⚖️ 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
18. 18.True or false: drops on a cold glass is condensation. (a) False (b) True
19. 19.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) yeast (c) cling film (d) water
20. 20.True or false: a battery cell is needed for the water cycle bowl. (a) False (b) True
21. 21.⚖️ 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
22. 22.🔮 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) faster (d) slower
23. 23.⚖️ 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 keep it the same (c) we change it
24. 24.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is heavy (c) hot water can scald (d) hot water is magnetic
25. 25.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) wet clothes drying (c) a puddle drying up (d) sweat drying on skin
26. 26.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) vapour in air cools (c) the glass leaks (d) ice escapes the glass
27. 27.💧 Which of these is evaporation? (a) butter going runny (b) drops on a cold glass (c) wet clothes drying (d) a misty bathroom mirror
28. 28.🔍 Which is the odd one out? (a) sweat drying on skin (b) butter going runny (c) snow turning to water (d) ice becoming water
29. 29.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the bowl freezes (c) more drops form (d) the water turns red
30. 30.⚖️ 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) sun or shade (b) the time we wait (c) how many drops form
31. 31.True or false: yeast is not needed for the water cycle bowl. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) water becoming ice (b) a pond icing over (c) making ice lollies (d) a puddle drying up
33. 33.💧 Which change is this: snow turning to water? (a) evaporation (b) condensation (c) melting (d) freezing
34. 34.💧 Which change is this: ice becoming water? (a) evaporation (b) condensation (c) freezing (d) melting
35. 35.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True
36. 36.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) sunlight (c) a balloon (d) a magnet
37. 37.True or false: water is needed for the water cycle bowl. (a) True (b) False
38. 38.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
39. 39.⚖️ 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
40. 40.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) cling film (c) a balloon (d) a big bowl

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