Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 376 · 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) sunlight (b) a big bowl (c) a magnet (d) a small cup
2. 2.True or false: sweat drying on skin is melting. (a) True (b) False
3. 3.🧺 Do we need ice cubes for the water cycle bowl? (a) not needed (b) needed
4. 4.💧 Which of these is evaporation? (a) wet hair drying (b) snow turning to water (c) drops on a cold glass (d) water becoming ice
5. 5.⚖️ 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 time we wait (b) the cling film cover (c) sun or shade (d) the size of the bowl
6. 6.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) cling film (c) a big bowl (d) a balloon
7. 7.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) wipe them dry (c) pour more water (d) slide on them
8. 8.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) faster (c) they turn to ice (d) slower
9. 9.True or false: cling film is not needed for the water cycle bowl. (a) False (b) True
10. 10.💧 Which of these is condensation? (a) making ice lollies (b) wet clothes drying (c) dew on morning grass (d) water becoming ice
11. 11.⚖️ 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 change it (b) we measure it (c) we keep it the same
12. 12.💧 Which change is this: butter going runny? (a) freezing (b) evaporation (c) condensation (d) melting
13. 13.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) a small cup (c) sunlight (d) turmeric powder
14. 14.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a battery cell (c) cling film (d) ice cubes
15. 15.⚖️ 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
16. 16.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is kept the same. (a) False (b) True
17. 17.⚖️ 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
18. 18.⚖️ 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) the size of the bowl (b) how many drops form (c) sun or shade
19. 19.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) the water increases (c) it turns to ice (d) it turns to salt
20. 20.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water is magnetic (c) it changes colour (d) hot water can scald
21. 21.💧 Which change is this: making ice lollies? (a) evaporation (b) condensation (c) melting (d) freezing
22. 22.🔍 Which is the odd one out? (a) butter going runny (b) snow turning to water (c) ice becoming water (d) drops under a pot lid
23. 23.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
24. 24.🔍 Which is the odd one out? (a) water becoming ice (b) drops on a cold glass (c) making ice lollies (d) a pond icing over
25. 25.🔍 Which is the odd one out? (a) a puddle drying up (b) wet clothes drying (c) sweat drying on skin (d) ice becoming water
26. 26.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “how many drops form”? (a) we change it (b) we keep it the same (c) we measure it
27. 27.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) water warmed by the Sun (c) the cling film (d) the bowl itself
28. 28.True or false: a battery cell is not needed for the water cycle bowl. (a) True (b) False
29. 29.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) vapour in air cools (c) ice escapes the glass (d) the glass leaks
30. 30.True or false: a misty bathroom mirror is evaporation. (a) False (b) True
31. 31.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
32. 32.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
33. 33.⚖️ 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) the time we wait (c) the amount of water (d) how many drops form
34. 34.⚖️ 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 measure it (b) we keep it the same (c) we change it
35. 35.True or false: drops on a cold glass is melting. (a) False (b) True
36. 36.💧 Which change is this: a puddle drying up? (a) evaporation (b) condensation (c) melting (d) freezing
37. 37.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a mirror (c) cling film (d) a small cup
39. 39.💧 Which change is this: wet clothes drying? (a) freezing (b) melting (c) condensation (d) evaporation
40. 40.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) fewer drops form (c) the bowl freezes (d) the water turns red

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