Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 515 · 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.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) water (c) a small cup (d) turmeric powder
2. 2.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
3. 3.🔍 Which is the odd one out? (a) snow turning to water (b) butter going runny (c) ice becoming water (d) water becoming ice
4. 4.💧 Which change is this: ice becoming water? (a) condensation (b) evaporation (c) freezing (d) melting
5. 5.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
6. 6.⚖️ 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 cling film cover (b) how many drops form (c) the time we wait (d) the size of the bowl
7. 7.🔍 Which is the odd one out? (a) a pond icing over (b) dew on morning grass (c) a misty bathroom mirror (d) drops on a cold glass
8. 8.💧 Which change is this: making ice lollies? (a) condensation (b) freezing (c) evaporation (d) melting
9. 9.⚖️ 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 change it (b) we measure it (c) we keep it the same
10. 10.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) it changes colour (c) hot water is heavy (d) hot water is magnetic
11. 11.🔍 Which is the odd one out? (a) snow turning to water (b) ice becoming water (c) butter going runny (d) making ice lollies
12. 12.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
13. 13.True or false: a puddle drying up is evaporation. (a) True (b) False
14. 14.💧 Which of these is evaporation? (a) a misty bathroom mirror (b) a pond icing over (c) a puddle drying up (d) drops on a cold glass
15. 15.⚖️ 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 keep it the same (b) we change it (c) we measure it
16. 16.💧 Which change is this: a puddle drying up? (a) evaporation (b) melting (c) condensation (d) freezing
17. 17.True or false: sunlight is needed for the water cycle bowl. (a) True (b) False
18. 18.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it turns to drops (c) it turns to smoke (d) it disappears
19. 19.⚖️ 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
20. 20.💧 Which change is this: drops on a cold glass? (a) freezing (b) condensation (c) evaporation (d) melting
21. 21.💧 Which change is this: water becoming ice? (a) freezing (b) evaporation (c) melting (d) condensation
22. 22.True or false: turmeric powder is not needed for the water cycle bowl. (a) False (b) True
23. 23.💧 Which of these is freezing? (a) sweat drying on skin (b) snow turning to water (c) wet clothes drying (d) making ice lollies
24. 24.⚖️ 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) the size of the bowl (b) how many drops form (c) sun or shade (d) the amount of water
25. 25.💧 Which change is this: wet clothes drying? (a) condensation (b) freezing (c) evaporation (d) melting
26. 26.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) vapour in air cools (d) the glass sweats
27. 27.💧 Which change is this: wet hair drying? (a) condensation (b) evaporation (c) melting (d) freezing
28. 28.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: how many drops form is the one thing we change. (a) True (b) False
29. 29.💧 Which of these is evaporation? (a) wet clothes drying (b) drops under a pot lid (c) making ice lollies (d) water becoming ice
30. 30.🔍 Which is the odd one out? (a) wet hair drying (b) wet clothes drying (c) a puddle drying up (d) drops under a pot lid
31. 31.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the bowl itself (c) the cling film (d) the air outside
32. 32.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a balloon (c) yeast (d) sunlight
33. 33.True or false: snow turning to water is condensation. (a) True (b) False
34. 34.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) faster (c) slower (d) they never dry
35. 35.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a big bowl (c) a balloon (d) a battery cell
36. 36.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) turmeric powder (c) a big bowl (d) water
37. 37.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) water (c) a mirror (d) a small cup
38. 38.True or false: a pond icing over is melting. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) dew on morning grass (b) sweat drying on skin (c) a puddle drying up (d) wet hair drying
40. 40.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) the water turns red (c) more drops form (d) fewer drops form

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