Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 917 · 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? What do we do with “the time we wait”? (a) we change it (b) we keep it the same (c) we measure it
2. 2.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) slide on them (c) pour more water (d) wipe them dry
3. 3.⚖️ 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) sun or shade (c) the size of the bowl (d) the time we wait
4. 4.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) vapour in air cools (d) the glass sweats
5. 5.True or false: sweat drying on skin is melting. (a) True (b) False
6. 6.True or false: sweat drying on skin is evaporation. (a) False (b) True
7. 7.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) lightning (c) rain (d) sunshine
8. 8.⚖️ 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 size of the bowl (d) sun or shade
9. 9.True or false: dew on morning grass is melting. (a) False (b) True
10. 10.True or false: yeast is needed for the water cycle bowl. (a) True (b) False
11. 11.True or false: wet hair drying is freezing. (a) False (b) True
12. 12.💧 Which of these is condensation? (a) water becoming ice (b) butter going runny (c) dew on morning grass (d) ice becoming water
13. 13.True or false: water is needed for the water cycle bowl. (a) True (b) False
14. 14.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a magnet (c) a balloon (d) sunlight
15. 15.True or false: ice cubes is not needed for the water cycle bowl. (a) False (b) True
16. 16.⚖️ 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
17. 17.True or false: a pond icing over is condensation. (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 size of the bowl is the one thing we change. (a) False (b) True
19. 19.🔮 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
20. 20.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) yeast (b) a small cup (c) ice cubes (d) a big bowl
21. 21.⚖️ 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 keep it the same (c) we change it
22. 22.True or false: a puddle drying up is condensation. (a) True (b) False
23. 23.💧 Which of these is freezing? (a) a misty bathroom mirror (b) water becoming ice (c) dew on morning grass (d) a puddle drying up
24. 24.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) ice cubes (c) a magnet (d) a big bowl
25. 25.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a magnet (c) cling film (d) sunlight
26. 26.💧 Which of these is freezing? (a) drops on a cold glass (b) wet hair drying (c) a pond icing over (d) snow turning to water
27. 27.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) hot water is heavy (c) it changes colour (d) hot water is magnetic
28. 28.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
29. 29.⚖️ 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 time we wait (b) sun or shade (c) how many drops form
30. 30.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
31. 31.True or false: a misty bathroom mirror is condensation. (a) False (b) True
32. 32.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
33. 33.💧 Which change is this: ice becoming water? (a) freezing (b) evaporation (c) condensation (d) melting
34. 34.⚖️ 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
35. 35.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
36. 36.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) the air outside (c) water warmed by the Sun (d) the bowl itself
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 size of the bowl”? (a) we keep it the same (b) we measure it (c) we change it
38. 38.True or false: a pond icing over is melting. (a) True (b) False
39. 39.True or false: wet hair drying is evaporation. (a) False (b) True
40. 40.💧 Which of these is melting? (a) a puddle drying up (b) drops on a cold glass (c) snow turning to water (d) wet clothes drying

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