Water Cycle Experiment Worksheet

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

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