Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 913 · 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) it turns to ice (b) it turns to salt (c) some water evaporates (d) the water increases
2. 2.True or false: cling film is needed for the water cycle bowl. (a) False (b) True
3. 3.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) a big bowl (c) turmeric powder (d) cling film
4. 4.🔍 Which is the odd one out? (a) wet clothes drying (b) a puddle drying up (c) snow turning to water (d) wet hair drying
5. 5.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
6. 6.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
7. 7.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the bowl freezes (c) the water turns red (d) more drops form
8. 8.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
9. 9.True or false: water is needed for the water cycle bowl. (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) water becoming ice (b) a pond icing over (c) making ice lollies (d) butter going runny
11. 11.📘 What is water vapour? (a) tiny ice cubes (b) salty water (c) water as a gas (d) a kind of smoke
12. 12.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) the glass sweats (c) ice escapes the glass (d) vapour in air cools
13. 13.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) faster (c) slower (d) they turn to ice
14. 14.💧 Which of these is melting? (a) wet hair drying (b) sweat drying on skin (c) a puddle drying up (d) snow turning to water
15. 15.🔍 Which is the odd one out? (a) butter going runny (b) dew on morning grass (c) snow turning to water (d) ice becoming water
16. 16.⚖️ 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 time we wait
17. 17.True or false: a big bowl is needed for the water cycle bowl. (a) True (b) False
18. 18.True or false: a balloon is needed for the water cycle bowl. (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) a pond icing over (b) water becoming ice (c) a misty bathroom mirror (d) making ice lollies
20. 20.💧 Which of these is melting? (a) water becoming ice (b) ice becoming water (c) making ice lollies (d) a misty bathroom mirror
21. 21.True or false: a magnet is needed for the water cycle bowl. (a) False (b) True
22. 22.True or false: yeast is not needed for the water cycle bowl. (a) True (b) False
23. 23.True or false: yeast is needed for the water cycle bowl. (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 “sun or shade”? (a) we change it (b) we measure it (c) we keep it the same
25. 25.💧 Which change is this: a misty bathroom mirror? (a) melting (b) evaporation (c) condensation (d) freezing
26. 26.💧 Which change is this: wet clothes drying? (a) melting (b) condensation (c) evaporation (d) freezing
27. 27.True or false: a misty bathroom mirror is condensation. (a) False (b) True
28. 28.💧 Which change is this: ice becoming water? (a) melting (b) freezing (c) condensation (d) evaporation
29. 29.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
30. 30.True or false: sunlight is needed for the water cycle bowl. (a) False (b) True
31. 31.⚖️ 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 amount of water (d) the cling film cover
32. 32.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) pour more water (c) slide on them (d) wipe them dry
33. 33.True or false: a big bowl is not needed for the water cycle bowl. (a) True (b) False
34. 34.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) a magnet (d) a big bowl
35. 35.⚖️ 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) sun or shade (b) how many drops form (c) the amount of water (d) the size of the bowl
36. 36.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) turmeric powder (c) a big bowl (d) a mirror
37. 37.🛟 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
38. 38.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
39. 39.⚖️ 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
40. 40.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the cling film (c) water warmed by the Sun (d) the air outside

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