Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 220 · 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.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
2. 2.⚖️ 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 measure it (c) we keep it the same
3. 3.⚖️ 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
4. 4.💧 Which of these is melting? (a) ice becoming water (b) wet clothes drying (c) water becoming ice (d) wet hair drying
5. 5.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water can scald (c) hot water is heavy (d) hot water is magnetic
6. 6.True or false: a small cup is needed for the water cycle bowl. (a) True (b) False
7. 7.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
8. 8.🧺 Which of these is not needed for the water cycle bowl? (a) yeast (b) a small cup (c) sunlight (d) a big bowl
9. 9.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
10. 10.⚖️ 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 kept the same. (a) False (b) True
11. 11.True or false: ice cubes is not needed for the water cycle bowl. (a) True (b) False
12. 12.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a battery cell (c) a magnet (d) cling film
13. 13.🔍 Which is the odd one out? (a) wet clothes drying (b) drops on a cold glass (c) dew on morning grass (d) drops under a pot lid
14. 14.🔍 Which is the odd one out? (a) ice becoming water (b) water becoming ice (c) snow turning to water (d) butter going runny
15. 15.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) ice cubes (c) a small cup (d) a mirror
16. 16.🧺 Which of these is needed for the water cycle bowl? (a) sunlight (b) a battery cell (c) a magnet (d) a mirror
17. 17.⚖️ 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 the one thing we change. (a) True (b) False
18. 18.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
19. 19.💧 Which of these is freezing? (a) wet clothes drying (b) a pond icing over (c) drops on a cold glass (d) a misty bathroom mirror
20. 20.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) yeast (c) a big bowl (d) turmeric powder
21. 21.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) fewer drops form (c) more drops form (d) the water turns red
22. 22.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
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 change it (c) we measure it
24. 24.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) slower (c) faster (d) they never dry
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) the cling film cover (b) how many drops form (c) sun or shade
26. 26.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) rain (c) wind (d) lightning
27. 27.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the bowl itself (c) the cling film (d) the air outside
28. 28.True or false: sunlight is not needed for the water cycle bowl. (a) False (b) True
29. 29.⚖️ 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) the cling film cover (d) the amount of water
30. 30.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a magnet (c) yeast (d) ice cubes
31. 31.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) vapour in air cools (c) the glass sweats (d) ice escapes the glass
32. 32.⚖️ 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) sun or shade (c) the size of the bowl
33. 33.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) drops on a cold glass (c) snow turning to water (d) dew on morning grass
34. 34.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) pour more water (c) slide on them (d) wipe them dry
35. 35.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) the water increases (c) some water evaporates (d) it turns to ice
36. 36.True or false: a puddle drying up is evaporation. (a) True (b) False
37. 37.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to smoke (c) it turns to drops (d) it turns to salt
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a balloon (c) sunlight (d) ice cubes
39. 39.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
40. 40.💧 Which change is this: dew on morning grass? (a) evaporation (b) freezing (c) melting (d) condensation

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