Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 931 · 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 change is this: butter going runny? (a) condensation (b) melting (c) freezing (d) evaporation
2. 2.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) ice cubes (c) sunlight (d) a mirror
3. 3.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a big bowl (c) sunlight (d) a battery cell
4. 4.True or false: a small cup is not needed for the water cycle bowl. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) sweat drying on skin (b) wet clothes drying (c) a misty bathroom mirror (d) wet hair drying
6. 6.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a mirror (b) a small cup (c) cling film (d) a big bowl
7. 7.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) it changes colour (c) hot water is heavy (d) hot water can scald
8. 8.⚖️ 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
9. 9.⚖️ 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 size of the bowl (b) sun or shade (c) how many drops form (d) the cling film cover
10. 10.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
11. 11.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
12. 12.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they never dry (c) they turn to ice (d) faster
13. 13.True or false: sunlight is not needed for the water cycle bowl. (a) True (b) False
14. 14.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) fewer drops form (c) the bowl freezes (d) more drops form
15. 15.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) water (c) a magnet (d) cling film
16. 16.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) slide on them (c) pour more water (d) leave them wet
17. 17.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
18. 18.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to drops (b) it turns to salt (c) it turns to smoke (d) it disappears
19. 19.🔍 Which is the odd one out? (a) wet clothes drying (b) wet hair drying (c) making ice lollies (d) a puddle drying up
20. 20.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) the bowl itself (c) water warmed by the Sun (d) the air outside
21. 21.🔍 Which is the odd one out? (a) wet hair drying (b) drops on a cold glass (c) a misty bathroom mirror (d) dew on morning grass
22. 22.True or false: water becoming ice is melting. (a) False (b) True
23. 23.⚖️ 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 keep it the same (b) we measure it (c) we change it
24. 24.🧺 Which of these is not needed for the water cycle bowl? (a) a battery cell (b) cling film (c) sunlight (d) a big bowl
25. 25.💧 Which change is this: a puddle drying up? (a) freezing (b) condensation (c) melting (d) evaporation
26. 26.True or false: water is not needed for the water cycle bowl. (a) False (b) True
27. 27.True or false: butter going runny is melting. (a) True (b) False
28. 28.⚖️ 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 change it (b) we measure it (c) we keep it the same
29. 29.🔍 Which is the odd one out? (a) making ice lollies (b) a pond icing over (c) water becoming ice (d) a puddle drying up
30. 30.💧 Which change is this: drops on a cold glass? (a) evaporation (b) melting (c) freezing (d) condensation
31. 31.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
32. 32.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass sweats (c) the glass leaks (d) vapour in air cools
33. 33.⚖️ 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
34. 34.True or false: a magnet is not needed for the water cycle bowl. (a) False (b) True
35. 35.💧 Which change is this: snow turning to water? (a) melting (b) evaporation (c) condensation (d) freezing
36. 36.True or false: wet hair drying is freezing. (a) False (b) True
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 size of the bowl”? (a) we change it (b) we keep it the same (c) we measure it
38. 38.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) yeast (c) water (d) a balloon
39. 39.True or false: sweat drying on skin is evaporation. (a) True (b) False
40. 40.⚖️ 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) how many drops form (b) the size of the bowl (c) sun or shade

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