Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 78 · 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: sweat drying on skin is evaporation. (a) False (b) True
2. 2.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) the bowl itself (c) the air outside (d) water warmed by the Sun
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) sun or shade (b) the size of the bowl (c) the amount of water (d) the cling film cover
4. 4.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to drops (b) it turns to salt (c) it turns to smoke (d) it disappears
5. 5.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
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) how many drops form (b) sun or shade (c) the amount of water
7. 7.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) a balloon (c) cling film (d) sunlight
8. 8.True or false: wet clothes drying is freezing. (a) False (b) True
9. 9.💧 Which of these is evaporation? (a) a misty bathroom mirror (b) ice becoming water (c) a pond icing over (d) wet hair drying
10. 10.💧 Which change is this: sweat drying on skin? (a) freezing (b) melting (c) condensation (d) evaporation
11. 11.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) some water evaporates (c) the water increases (d) it turns to salt
12. 12.🧺 Which of these is needed for the water cycle bowl? (a) a small cup (b) a magnet (c) yeast (d) a balloon
13. 13.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a battery cell (c) sunlight (d) turmeric powder
14. 14.💧 Which change is this: ice becoming water? (a) freezing (b) melting (c) evaporation (d) condensation
15. 15.🔍 Which is the odd one out? (a) sweat drying on skin (b) butter going runny (c) a puddle drying up (d) wet clothes drying
16. 16.⚖️ 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
17. 17.⚖️ 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
18. 18.💧 Which of these is condensation? (a) making ice lollies (b) snow turning to water (c) a puddle drying up (d) drops under a pot lid
19. 19.True or false: sunlight is needed for the water cycle bowl. (a) False (b) True
20. 20.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) cling film (c) turmeric powder (d) a big bowl
21. 21.🔍 Which is the odd one out? (a) making ice lollies (b) water becoming ice (c) a pond icing over (d) sweat drying on skin
22. 22.💧 Which change is this: snow turning to water? (a) condensation (b) melting (c) evaporation (d) freezing
23. 23.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water is heavy (c) hot water can scald (d) it changes colour
24. 24.True or false: turmeric powder is not needed for the water cycle bowl. (a) False (b) True
25. 25.True or false: sunlight is not needed for the water cycle bowl. (a) False (b) True
26. 26.💧 Which of these is evaporation? (a) water becoming ice (b) a misty bathroom mirror (c) making ice lollies (d) a puddle drying up
27. 27.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a battery cell (c) water (d) ice cubes
28. 28.🔍 Which is the odd one out? (a) ice becoming water (b) snow turning to water (c) a pond icing over (d) butter going runny
29. 29.💧 Why do water drops form on the outside of a glass of ice water? (a) vapour in air cools (b) the glass sweats (c) ice escapes the glass (d) the glass leaks
30. 30.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a battery cell (c) a big bowl (d) turmeric powder
31. 31.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) slower (c) they never dry (d) faster
32. 32.True or false: making ice lollies is melting. (a) False (b) True
33. 33.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
34. 34.💧 Which change is this: a puddle drying up? (a) condensation (b) freezing (c) evaporation (d) melting
35. 35.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a big bowl (c) cling film (d) turmeric powder
36. 36.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
37. 37.💧 Which of these is melting? (a) ice becoming water (b) a pond icing over (c) water becoming ice (d) wet hair drying
38. 38.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
39. 39.⚖️ 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
40. 40.💧 Which change is this: a misty bathroom mirror? (a) evaporation (b) condensation (c) melting (d) freezing

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