Water Cycle Experiment Worksheet

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

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