Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 796 · 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.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water is heavy (c) hot water can scald (d) it changes colour
2. 2.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass sweats (c) vapour in air cools (d) the glass leaks
3. 3.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to drops (b) it disappears (c) it turns to smoke (d) it turns to salt
4. 4.True or false: dew on morning grass is condensation. (a) False (b) True
5. 5.⚖️ 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 kept the same. (a) False (b) True
6. 6.True or false: a mirror is not needed for the water cycle bowl. (a) True (b) False
7. 7.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
8. 8.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) water warmed by the Sun (c) the air outside (d) the cling film
9. 9.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) the bowl freezes (c) fewer drops form (d) more drops form
10. 10.True or false: drops under a pot lid is condensation. (a) False (b) True
11. 11.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) yeast (c) cling film (d) ice cubes
12. 12.True or false: a pond icing over is evaporation. (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 the one thing we change? (a) the cling film cover (b) the amount of water (c) the size of the bowl (d) sun or shade
14. 14.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) pour more water (c) wipe them dry (d) slide on them
15. 15.True or false: a small cup is not needed for the water cycle bowl. (a) True (b) False
16. 16.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) turmeric powder (c) water (d) a mirror
17. 17.💧 Which change is this: water becoming ice? (a) condensation (b) evaporation (c) melting (d) freezing
18. 18.⚖️ 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
19. 19.⚖️ 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 amount of water (b) sun or shade (c) how many drops form
20. 20.⚖️ 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
21. 21.True or false: turmeric powder is needed for the water cycle bowl. (a) True (b) False
22. 22.💧 Which of these is freezing? (a) wet hair drying (b) a pond icing over (c) wet clothes drying (d) a misty bathroom mirror
23. 23.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
24. 24.⚖️ 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
25. 25.🔍 Which is the odd one out? (a) sweat drying on skin (b) wet hair drying (c) drops on a cold glass (d) wet clothes drying
26. 26.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
27. 27.💧 Which of these is condensation? (a) a misty bathroom mirror (b) a pond icing over (c) wet clothes drying (d) making ice lollies
28. 28.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) rain (b) wind (c) lightning (d) sunshine
29. 29.💧 Which of these is freezing? (a) drops under a pot lid (b) a puddle drying up (c) wet clothes drying (d) making ice lollies
30. 30.True or false: turmeric powder is not needed for the water cycle bowl. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) a puddle drying up (b) dew on morning grass (c) wet hair drying (d) wet clothes drying
32. 32.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a big bowl (c) yeast (d) water
33. 33.⚖️ 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 the one thing we change. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) wet clothes drying (b) ice becoming water (c) a puddle drying up (d) wet hair drying
35. 35.⚖️ 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 change it (b) we keep it the same (c) we measure it
36. 36.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) ice cubes (c) turmeric powder (d) a battery cell
37. 37.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
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) the cling film cover (c) sun or shade
39. 39.🔮 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
40. 40.💧 Which of these is melting? (a) sweat drying on skin (b) butter going runny (c) dew on morning grass (d) wet clothes drying

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