Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 373 · 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? Which of these is kept the same? (a) sun or shade (b) the cling film cover (c) how many drops form
2. 2.True or false: sweat drying on skin is evaporation. (a) True (b) False
3. 3.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they turn to ice (c) faster (d) they never dry
4. 4.⚖️ 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 size of the bowl (c) sun or shade (d) the time we wait
5. 5.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) more drops form (c) the water turns red (d) fewer drops form
6. 6.🔍 Which is the odd one out? (a) dew on morning grass (b) wet clothes drying (c) a misty bathroom mirror (d) drops on a cold glass
7. 7.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the cling film (c) water warmed by the Sun (d) the bowl itself
8. 8.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
9. 9.True or false: a balloon is needed for the water cycle bowl. (a) True (b) False
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) how many drops form (b) sun or shade (c) the time we wait (d) the amount of water
11. 11.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) sunlight (c) water (d) a balloon
12. 12.True or false: a big bowl is needed for the water cycle bowl. (a) False (b) True
13. 13.⚖️ 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 the one thing we change. (a) False (b) True
14. 14.💧 Which of these is melting? (a) a misty bathroom mirror (b) ice becoming water (c) a puddle drying up (d) a pond icing over
15. 15.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) slide on them (c) leave them wet (d) wipe them dry
16. 16.⚖️ 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 change it (b) we measure it (c) we keep it the same
17. 17.True or false: a misty bathroom mirror is evaporation. (a) True (b) False
18. 18.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
19. 19.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) it changes colour (c) hot water can scald (d) hot water is magnetic
20. 20.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) turmeric powder (c) water (d) cling film
21. 21.⚖️ 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 measure it (c) we keep it the same
22. 22.True or false: water is needed for the water cycle bowl. (a) False (b) True
23. 23.⚖️ 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 what we measure. (a) False (b) True
24. 24.💧 Which of these is freezing? (a) drops on a cold glass (b) butter going runny (c) dew on morning grass (d) a pond icing over
25. 25.💧 Which of these is freezing? (a) sweat drying on skin (b) wet clothes drying (c) making ice lollies (d) wet hair drying
26. 26.🔍 Which is the odd one out? (a) drops on a cold glass (b) snow turning to water (c) a misty bathroom mirror (d) drops under a pot lid
27. 27.🔍 Which is the odd one out? (a) drops under a pot lid (b) ice becoming water (c) snow turning to water (d) butter going runny
28. 28.⚖️ 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) False (b) True
29. 29.🔍 Which is the odd one out? (a) a pond icing over (b) water becoming ice (c) a misty bathroom mirror (d) making ice lollies
30. 30.⚖️ 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 keep it the same (c) we change it
31. 31.True or false: sweat drying on skin is freezing. (a) True (b) False
32. 32.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) rain (c) lightning (d) wind
33. 33.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) a mirror (c) sunlight (d) water
34. 34.💧 Why do water drops form on the outside of a glass of ice water? (a) vapour in air cools (b) the glass sweats (c) ice escapes the glass (d) the glass leaks
35. 35.True or false: wet hair drying is freezing. (a) False (b) True
36. 36.💧 Which change is this: drops on a cold glass? (a) evaporation (b) melting (c) freezing (d) condensation
37. 37.💧 Which of these is freezing? (a) drops under a pot lid (b) butter going runny (c) dew on morning grass (d) water becoming ice
38. 38.True or false: wet hair drying is melting. (a) False (b) True
39. 39.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a mirror (c) a balloon (d) cling film
40. 40.💧 Which of these is evaporation? (a) drops on a cold glass (b) snow turning to water (c) butter going runny (d) wet clothes drying

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