Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 864 · 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 is the odd one out? (a) drops under a pot lid (b) drops on a cold glass (c) a puddle drying up (d) a misty bathroom mirror
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 cling film cover”? (a) we measure it (b) we change it (c) we keep it the same
3. 3.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) the glass sweats (c) vapour in air cools (d) ice escapes the glass
4. 4.True or false: a mirror is not needed for the water cycle bowl. (a) True (b) False
5. 5.True or false: a mirror is needed for the water cycle bowl. (a) False (b) True
6. 6.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) rain (c) lightning (d) sunshine
7. 7.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a big bowl (c) a battery cell (d) a mirror
8. 8.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
9. 9.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a balloon (c) ice cubes (d) turmeric powder
10. 10.True or false: ice becoming water is evaporation. (a) True (b) False
11. 11.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False
12. 12.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) the water turns red (c) fewer drops form (d) the bowl freezes
13. 13.🔍 Which is the odd one out? (a) a pond icing over (b) water becoming ice (c) making ice lollies (d) drops on a cold glass
14. 14.True or false: making ice lollies is freezing. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) snow turning to water (b) ice becoming water (c) butter going runny (d) water becoming ice
16. 16.💧 Which of these is evaporation? (a) a puddle drying up (b) snow turning to water (c) butter going runny (d) making ice lollies
17. 17.True or false: a small cup is needed for the water cycle bowl. (a) True (b) False
18. 18.⚖️ 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) the time we wait (c) the amount of water (d) sun or shade
19. 19.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
20. 20.⚖️ 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) the cling film cover (c) how many drops form
21. 21.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a mirror (c) a balloon (d) a small cup
22. 22.⚖️ 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) sun or shade
23. 23.True or false: water becoming ice is freezing. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) water becoming ice (b) ice becoming water (c) making ice lollies (d) a pond icing over
25. 25.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
26. 26.🧺 Which of these is not needed for the water cycle bowl? (a) turmeric powder (b) water (c) a big bowl (d) sunlight
27. 27.⚖️ 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 measure it (b) we keep it the same (c) we change it
28. 28.🧺 Which of these is needed for the water cycle bowl? (a) water (b) a battery cell (c) a mirror (d) turmeric powder
29. 29.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) wipe them dry (c) slide on them (d) leave them wet
30. 30.💧 Which of these is condensation? (a) wet clothes drying (b) a puddle drying up (c) a misty bathroom mirror (d) making ice lollies
31. 31.📘 What is water vapour? (a) tiny ice cubes (b) water as a gas (c) salty water (d) a kind of smoke
32. 32.True or false: a misty bathroom mirror is condensation. (a) False (b) True
33. 33.True or false: a pond icing over is condensation. (a) False (b) True
34. 34.💧 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
35. 35.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
36. 36.💧 Which change is this: sweat drying on skin? (a) freezing (b) evaporation (c) condensation (d) melting
37. 37.⚖️ 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
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a big bowl (c) ice cubes (d) a balloon
39. 39.True or false: a small cup is not needed for the water cycle bowl. (a) False (b) True
40. 40.⚖️ 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

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