Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 778 · 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.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) slower (c) they never dry (d) faster
2. 2.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a small cup (c) sunlight (d) a battery cell
3. 3.💧 Which change is this: drops on a cold glass? (a) freezing (b) melting (c) evaporation (d) condensation
4. 4.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) sunlight (c) cling film (d) a magnet
5. 5.⚖️ 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 size of the bowl (b) the time we wait (c) sun or shade (d) how many drops form
6. 6.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) sunshine (c) wind (d) rain
7. 7.True or false: a pond icing over is freezing. (a) True (b) False
8. 8.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) the water turns red (c) more drops form (d) fewer drops form
9. 9.True or false: yeast is not needed for the water cycle bowl. (a) False (b) True
10. 10.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) it turns to salt (c) the water increases (d) it turns to ice
11. 11.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a battery cell (c) a mirror (d) a big bowl
12. 12.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is heavy (c) hot water can scald (d) hot water is magnetic
13. 13.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
14. 14.🧺 Which of these is needed for the water cycle bowl? (a) sunlight (b) a balloon (c) a battery cell (d) a magnet
15. 15.💧 Which change is this: wet hair drying? (a) freezing (b) evaporation (c) melting (d) condensation
16. 16.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) turmeric powder (c) ice cubes (d) a small cup
17. 17.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the cling film (c) the air outside (d) the bowl itself
18. 18.True or false: ice cubes is not needed for the water cycle bowl. (a) False (b) True
19. 19.⚖️ 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
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) sun or shade (c) the amount of water (d) the time we wait
21. 21.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) vapour in air cools (c) ice escapes the glass (d) the glass sweats
22. 22.True or false: wet clothes drying is evaporation. (a) False (b) True
23. 23.True or false: snow turning to water is freezing. (a) True (b) False
24. 24.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) water (c) a balloon (d) a magnet
25. 25.⚖️ 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
26. 26.🔍 Which is the odd one out? (a) butter going runny (b) snow turning to water (c) making ice lollies (d) ice becoming water
27. 27.🛟 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
28. 28.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
29. 29.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) ice cubes (c) a big bowl (d) a small cup
30. 30.💧 Which change is this: dew on morning grass? (a) melting (b) freezing (c) condensation (d) evaporation
31. 31.💧 Which of these is condensation? (a) butter going runny (b) wet hair drying (c) a misty bathroom mirror (d) wet clothes drying
32. 32.🔍 Which is the odd one out? (a) wet clothes drying (b) a puddle drying up (c) wet hair drying (d) drops on a cold glass
33. 33.True or false: sweat drying on skin is evaporation. (a) True (b) False
34. 34.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) water as a gas (d) salty water
35. 35.💧 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
36. 36.⚖️ 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
37. 37.⚖️ 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
38. 38.⚖️ 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
39. 39.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
40. 40.⚖️ 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

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