Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 207 · 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.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to salt (c) some water evaporates (d) it turns to ice
2. 2.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is heavy (c) hot water can scald (d) hot water is magnetic
3. 3.⚖️ 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 change it (c) we measure it
4. 4.💧 Why do water drops form on the outside of a glass of ice water? (a) vapour in air cools (b) ice escapes the glass (c) the glass sweats (d) the glass leaks
5. 5.🧺 Which of these is needed for the water cycle bowl? (a) water (b) turmeric powder (c) yeast (d) a balloon
6. 6.🔍 Which is the odd one out? (a) a pond icing over (b) water becoming ice (c) making ice lollies (d) wet hair drying
7. 7.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) the bowl itself (c) water warmed by the Sun (d) the air outside
8. 8.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a balloon (c) yeast (d) a small cup
9. 9.⚖️ 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
10. 10.⚖️ 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
11. 11.⚖️ 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
12. 12.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) they turn to ice (c) slower (d) they never dry
13. 13.⚖️ 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
14. 14.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
15. 15.⚖️ 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
16. 16.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) turmeric powder (c) ice cubes (d) sunlight
17. 17.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
18. 18.⚖️ 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 size of the bowl (c) sun or shade (d) the time we wait
19. 19.True or false: a misty bathroom mirror is freezing. (a) False (b) True
20. 20.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
21. 21.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
22. 22.True or false: snow turning to water is melting. (a) False (b) True
23. 23.True or false: a pond icing over is freezing. (a) False (b) True
24. 24.💧 Which of these is evaporation? (a) ice becoming water (b) water becoming ice (c) sweat drying on skin (d) snow turning to water
25. 25.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a small cup (c) ice cubes (d) turmeric powder
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 cling film cover”? (a) we change it (b) we keep it the same (c) we measure it
27. 27.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a battery cell (c) a big bowl (d) a balloon
28. 28.⚖️ 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
29. 29.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it disappears (c) it turns to salt (d) it turns to drops
30. 30.⚖️ 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 what we measure. (a) False (b) True
31. 31.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) a mirror (c) cling film (d) a big bowl
32. 32.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) water (c) a balloon (d) a big bowl
33. 33.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False
34. 34.💧 Which of these is condensation? (a) making ice lollies (b) snow turning to water (c) a misty bathroom mirror (d) ice becoming water
35. 35.True or false: a puddle drying up is evaporation. (a) True (b) False
36. 36.🧺 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) a mirror
37. 37.🧺 Do we need a small cup 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? True or false: sun or shade is the one thing we change. (a) True (b) False
39. 39.💧 Which change is this: drops on a cold glass? (a) evaporation (b) melting (c) condensation (d) freezing
40. 40.⚖️ 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 keep it the same (b) we change it (c) we measure it

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