Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 552 · 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 of these is melting? (a) sweat drying on skin (b) a puddle drying up (c) making ice lollies (d) snow turning to water
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.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) sunlight (c) a mirror (d) a magnet
4. 4.⚖️ 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 change it (b) we measure it (c) we keep it the same
5. 5.💧 Which of these is evaporation? (a) making ice lollies (b) ice becoming water (c) a puddle drying up (d) snow turning to water
6. 6.🧺 Which of these is needed for the water cycle bowl? (a) a big bowl (b) a mirror (c) a battery cell (d) a balloon
7. 7.True or false: cling film is needed for the water cycle bowl. (a) False (b) True
8. 8.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) sunshine (c) rain (d) wind
9. 9.⚖️ 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 time we wait (c) how many drops form
10. 10.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) it turns to salt (c) the water increases (d) it turns to ice
11. 11.⚖️ 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) how many drops form (b) sun or shade (c) the size of the bowl (d) the amount of water
12. 12.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) water (c) a small cup (d) yeast
13. 13.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water can scald (c) it changes colour (d) hot water is magnetic
14. 14.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
15. 15.💧 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
16. 16.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) ice cubes (c) sunlight (d) yeast
17. 17.True or false: making ice lollies is melting. (a) False (b) True
18. 18.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) cling film (c) sunlight (d) turmeric powder
19. 19.💧 Which change is this: wet clothes drying? (a) melting (b) freezing (c) condensation (d) evaporation
20. 20.True or false: a small cup is needed for the water cycle bowl. (a) False (b) True
21. 21.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
22. 22.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
23. 23.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is the one thing we change. (a) False (b) True
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 keep it the same (b) we measure it (c) we change it
25. 25.⚖️ 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) how many drops form (c) the cling film cover
26. 26.⚖️ 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
27. 27.💧 Which of these is evaporation? (a) a pond icing over (b) drops under a pot lid (c) wet clothes drying (d) dew on morning grass
28. 28.⚖️ 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 the one thing we change. (a) True (b) False
29. 29.⚖️ 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
30. 30.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) a battery cell (c) a small cup (d) a big bowl
31. 31.💧 Which change is this: ice becoming water? (a) freezing (b) melting (c) evaporation (d) condensation
32. 32.⚖️ 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 keep it the same (b) we change it (c) we measure it
33. 33.💧 Which of these is condensation? (a) sweat drying on skin (b) drops on a cold glass (c) a pond icing over (d) wet hair drying
34. 34.⚖️ 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 what we measure. (a) True (b) False
35. 35.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) pour more water (c) leave them wet (d) slide on them
36. 36.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is what we measure. (a) False (b) True
37. 37.💧 Which of these is condensation? (a) a misty bathroom mirror (b) wet hair drying (c) a puddle drying up (d) wet clothes drying
38. 38.True or false: sunlight is not needed for the water cycle bowl. (a) False (b) True
39. 39.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
40. 40.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed

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