Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 53 · 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.True or false: turmeric powder is not needed for the water cycle bowl. (a) False (b) True
2. 2.⚖️ 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
3. 3.🛟 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
4. 4.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) it turns to ice (c) the water increases (d) it turns to salt
5. 5.True or false: a puddle drying up is evaporation. (a) False (b) True
6. 6.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) ice cubes (c) a mirror (d) water
7. 7.True or false: ice cubes is not needed for the water cycle bowl. (a) True (b) False
8. 8.💧 Which of these is melting? (a) snow turning to water (b) dew on morning grass (c) drops under a pot lid (d) wet hair drying
9. 9.🔍 Which is the odd one out? (a) a puddle drying up (b) drops under a pot lid (c) wet clothes drying (d) wet hair drying
10. 10.⚖️ 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
11. 11.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
12. 12.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to drops (c) it turns to smoke (d) it turns to salt
13. 13.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a magnet (c) ice cubes (d) a battery cell
14. 14.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) wind (c) sunshine (d) rain
15. 15.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a big bowl (c) water (d) a magnet
16. 16.⚖️ 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
17. 17.⚖️ 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) False (b) True
18. 18.🔍 Which is the odd one out? (a) sweat drying on skin (b) water becoming ice (c) a puddle drying up (d) wet hair drying
19. 19.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a balloon (b) sunlight (c) cling film (d) ice cubes
20. 20.💧 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
21. 21.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the cling film (c) water warmed by the Sun (d) the bowl itself
22. 22.True or false: dew on morning grass is evaporation. (a) True (b) False
23. 23.⚖️ 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 cling film cover (d) the size of the bowl
24. 24.💧 Which of these is condensation? (a) sweat drying on skin (b) a misty bathroom mirror (c) making ice lollies (d) butter going runny
25. 25.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
26. 26.💧 Which change is this: butter going runny? (a) freezing (b) melting (c) condensation (d) evaporation
27. 27.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
28. 28.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) sunlight (c) cling film (d) turmeric powder
29. 29.💧 Which of these is evaporation? (a) wet hair drying (b) snow turning to water (c) making ice lollies (d) ice becoming water
30. 30.True or false: water is not needed for the water cycle bowl. (a) False (b) True
31. 31.🛟 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
32. 32.💧 Which of these is condensation? (a) drops under a pot lid (b) making ice lollies (c) butter going runny (d) water becoming ice
33. 33.True or false: butter going runny is freezing. (a) True (b) False
34. 34.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
35. 35.💧 Which change is this: making ice lollies? (a) melting (b) condensation (c) evaporation (d) freezing
36. 36.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) sunlight (c) a battery cell (d) a big bowl
37. 37.⚖️ 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 amount of water (c) how many drops form
38. 38.True or false: a mirror is needed for the water cycle bowl. (a) False (b) True
39. 39.🧺 Which of these is not needed for the water cycle bowl? (a) yeast (b) a big bowl (c) cling film (d) a small cup
40. 40.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) slower (c) they turn to ice (d) faster

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