Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 443 · 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: drops on a cold glass? (a) melting (b) condensation (c) freezing (d) evaporation
2. 2.💧 Which of these is evaporation? (a) dew on morning grass (b) a puddle drying up (c) ice becoming water (d) butter going runny
3. 3.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) vapour in air cools (c) ice escapes the glass (d) the glass leaks
4. 4.⚖️ 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 change it (b) we keep it the same (c) we measure it
5. 5.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) the bowl freezes (c) more drops form (d) fewer drops form
6. 6.📘 What is water vapour? (a) tiny ice cubes (b) water as a gas (c) a kind of smoke (d) salty water
7. 7.True or false: ice cubes is needed for the water cycle bowl. (a) False (b) True
8. 8.⚖️ 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 amount of water (b) the time we wait (c) how many drops form (d) sun or shade
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 cling film cover”? (a) we keep it the same (b) we change it (c) we measure it
10. 10.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
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) False (b) True
12. 12.⚖️ 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) True (b) False
13. 13.True or false: turmeric powder is needed for the water cycle bowl. (a) False (b) True
14. 14.💧 Which change is this: wet clothes drying? (a) evaporation (b) freezing (c) condensation (d) melting
15. 15.True or false: making ice lollies is melting. (a) True (b) False
16. 16.💧 Which change is this: making ice lollies? (a) evaporation (b) condensation (c) melting (d) freezing
17. 17.True or false: cling film is needed for the water cycle bowl. (a) False (b) True
18. 18.⚖️ 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) False (b) True
19. 19.🧺 Which of these is needed for the water cycle bowl? (a) sunlight (b) turmeric powder (c) a mirror (d) a battery cell
20. 20.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) drops under a pot lid (c) dew on morning grass (d) snow turning to water
21. 21.💧 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
22. 22.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
23. 23.🛟 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
24. 24.True or false: yeast is needed for the water cycle bowl. (a) False (b) True
25. 25.💧 Which of these is melting? (a) sweat drying on skin (b) ice becoming water (c) wet hair drying (d) drops under a pot lid
26. 26.🔍 Which is the odd one out? (a) making ice lollies (b) water becoming ice (c) butter going runny (d) a pond icing over
27. 27.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a magnet (c) sunlight (d) a big bowl
28. 28.💧 Which change is this: ice becoming water? (a) evaporation (b) freezing (c) condensation (d) melting
29. 29.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) yeast (c) sunlight (d) cling film
30. 30.💧 Which of these is condensation? (a) wet clothes drying (b) a puddle drying up (c) drops on a cold glass (d) sweat drying on skin
31. 31.⚖️ 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 measure it (b) we change it (c) we keep it the same
32. 32.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) wipe them dry (c) pour more water (d) leave them wet
33. 33.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the air outside (c) water warmed by the Sun (d) the cling film
34. 34.True or false: a magnet is needed for the water cycle bowl. (a) True (b) False
35. 35.True or false: making ice lollies is freezing. (a) True (b) False
36. 36.⚖️ 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 amount of water (c) the size of the bowl (d) sun or shade
37. 37.🔍 Which is the odd one out? (a) butter going runny (b) snow turning to water (c) ice becoming water (d) dew on morning grass
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) turmeric powder (b) cling film (c) a big bowl (d) water
39. 39.⚖️ 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 measure it (b) we keep it the same (c) we change it
40. 40.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a mirror (c) a small cup (d) a big bowl

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