Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 703 · 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? True or false: the size of the bowl is what we measure. (a) True (b) False
2. 2.💧 Which change is this: sweat drying on skin? (a) melting (b) condensation (c) freezing (d) evaporation
3. 3.🔮 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
4. 4.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) a big bowl (c) water (d) sunlight
5. 5.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
6. 6.💧 Which change is this: drops under a pot lid? (a) melting (b) condensation (c) freezing (d) evaporation
7. 7.💧 Which of these is melting? (a) a puddle drying up (b) butter going runny (c) dew on morning grass (d) sweat drying on skin
8. 8.🧺 Which of these is not needed for the water cycle bowl? (a) a balloon (b) sunlight (c) water (d) a big bowl
9. 9.⚖️ 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 change it (b) we keep it the same (c) we measure it
10. 10.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) wind (c) rain (d) sunshine
11. 11.⚖️ 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 the one thing we change. (a) True (b) False
12. 12.⚖️ 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
13. 13.⚖️ 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 cling film cover (c) sun or shade
14. 14.💧 Which of these is freezing? (a) a pond icing over (b) wet clothes drying (c) drops on a cold glass (d) wet hair drying
15. 15.True or false: a big bowl is not needed for the water cycle bowl. (a) True (b) False
16. 16.🧺 Do we need ice cubes for the water cycle bowl? (a) not needed (b) needed
17. 17.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) slide on them (c) wipe them dry (d) pour more water
18. 18.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
19. 19.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the bowl itself (c) water warmed by the Sun (d) the cling film
20. 20.⚖️ 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) the cling film cover (c) sun or shade (d) the time we wait
21. 21.True or false: a battery cell is not needed for the water cycle bowl. (a) True (b) False
22. 22.📘 What is water vapour? (a) water as a gas (b) salty water (c) tiny ice cubes (d) a kind of smoke
23. 23.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a balloon (c) ice cubes (d) a small cup
24. 24.True or false: a mirror is needed for the water cycle bowl. (a) False (b) True
25. 25.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a battery cell (c) a small cup (d) turmeric powder
26. 26.⚖️ 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) the time we wait (b) the cling film cover (c) the size of the bowl (d) how many drops form
27. 27.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a magnet (b) a big bowl (c) cling film (d) ice cubes
28. 28.🔍 Which is the odd one out? (a) a pond icing over (b) ice becoming water (c) water becoming ice (d) making ice lollies
29. 29.True or false: a big bowl is needed for the water cycle bowl. (a) True (b) False
30. 30.💧 Which of these is condensation? (a) sweat drying on skin (b) a puddle drying up (c) ice becoming water (d) dew on morning grass
31. 31.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they turn to ice (c) they never dry (d) faster
32. 32.⚖️ 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 keep it the same (c) we measure it
33. 33.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it turns to drops (c) it disappears (d) it turns to smoke
34. 34.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) ice cubes (c) water (d) a mirror
35. 35.True or false: a mirror is not needed for the water cycle bowl. (a) True (b) False
36. 36.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water is heavy (c) it changes colour (d) hot water can scald
37. 37.⚖️ 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 kept the same. (a) False (b) True
38. 38.💧 Which change is this: drops on a cold glass? (a) condensation (b) evaporation (c) freezing (d) melting
39. 39.🔍 Which is the odd one out? (a) a pond icing over (b) a puddle drying up (c) wet clothes drying (d) sweat drying on skin
40. 40.True or false: dew on morning grass is condensation. (a) False (b) True

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