Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 699 · 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) wet hair drying (b) sweat drying on skin (c) a misty bathroom mirror (d) a puddle drying up
2. 2.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a balloon (b) a big bowl (c) water (d) ice cubes
3. 3.True or false: ice becoming water is melting. (a) False (b) True
4. 4.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
5. 5.True or false: ice cubes is needed for the water cycle bowl. (a) False (b) True
6. 6.⚖️ 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
7. 7.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it turns to smoke (c) it turns to drops (d) it disappears
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) the size of the bowl (b) how many drops form (c) the amount of water (d) the cling film cover
9. 9.🔍 Which is the odd one out? (a) wet clothes drying (b) making ice lollies (c) a puddle drying up (d) sweat drying on skin
10. 10.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
11. 11.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) leave them wet (c) wipe them dry (d) slide on them
12. 12.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) fewer drops form (c) the bowl freezes (d) more drops form
13. 13.💧 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
14. 14.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) ice escapes the glass (c) vapour in air cools (d) the glass leaks
15. 15.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) ice cubes (c) a big bowl (d) a magnet
16. 16.💧 Which change is this: making ice lollies? (a) freezing (b) evaporation (c) condensation (d) melting
17. 17.💧 Which change is this: ice becoming water? (a) freezing (b) melting (c) evaporation (d) condensation
18. 18.True or false: sunlight is needed for the water cycle bowl. (a) True (b) False
19. 19.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) ice cubes (c) turmeric powder (d) a small cup
20. 20.True or false: yeast is needed for the water cycle bowl. (a) True (b) False
21. 21.True or false: water is not needed for the water cycle bowl. (a) True (b) False
22. 22.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) it changes colour (c) hot water is heavy (d) hot water can scald
23. 23.🧺 Do we need ice cubes for the water cycle bowl? (a) not needed (b) 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 “how many drops form”? (a) we change it (b) we measure it (c) we keep it the same
25. 25.💧 Which of these is melting? (a) snow turning to water (b) wet hair drying (c) making ice lollies (d) drops under a pot lid
26. 26.True or false: drops under a pot lid is evaporation. (a) True (b) False
27. 27.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) some water evaporates (c) it turns to ice (d) the water increases
28. 28.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
29. 29.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) dew on morning grass (c) drops on a cold glass (d) ice becoming water
30. 30.⚖️ 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) True (b) False
31. 31.💧 Which change is this: butter going runny? (a) freezing (b) condensation (c) evaporation (d) melting
32. 32.💧 Which of these is freezing? (a) water becoming ice (b) dew on morning grass (c) sweat drying on skin (d) wet hair drying
33. 33.⚖️ 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
34. 34.True or false: water becoming ice is freezing. (a) False (b) True
35. 35.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) wind (c) rain (d) lightning
36. 36.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is kept the same. (a) False (b) True
37. 37.True or false: dew on morning grass is condensation. (a) True (b) False
38. 38.True or false: butter going runny is condensation. (a) True (b) False
39. 39.True or false: ice cubes is not needed for the water cycle bowl. (a) True (b) False
40. 40.⚖️ 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

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