Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 213 · 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.💧 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
2. 2.⚖️ 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 the one thing we change. (a) True (b) False
3. 3.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a battery cell (c) a mirror (d) a big bowl
4. 4.⚖️ 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 cling film cover
5. 5.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) cling film (c) ice cubes (d) a big bowl
6. 6.True or false: a big bowl is needed for the water cycle bowl. (a) False (b) True
7. 7.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
8. 8.⚖️ 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 amount of water (b) the cling film cover (c) sun or shade (d) the time we wait
9. 9.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the size of the bowl is kept the same. (a) True (b) False
10. 10.💧 Which of these is freezing? (a) a pond icing over (b) wet hair drying (c) sweat drying on skin (d) snow turning to water
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 amount of water”? (a) we measure it (b) we change it (c) we keep it the same
12. 12.⚖️ 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 size of the bowl (d) the time we wait
13. 13.💧 Which change is this: making ice lollies? (a) melting (b) evaporation (c) condensation (d) freezing
14. 14.⚖️ 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 measure it (c) we change it
15. 15.🔮 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
16. 16.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the cling film cover is kept the same. (a) False (b) True
17. 17.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to smoke (c) it turns to drops (d) it turns to salt
18. 18.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True
19. 19.True or false: sunlight is needed for the water cycle bowl. (a) True (b) False
20. 20.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) they turn to ice (c) slower (d) they never dry
21. 21.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
22. 22.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) a magnet (c) a small cup (d) cling film
23. 23.🔍 Which is the odd one out? (a) a pond icing over (b) wet clothes drying (c) water becoming ice (d) making ice lollies
24. 24.💧 Which of these is condensation? (a) wet hair drying (b) making ice lollies (c) drops on a cold glass (d) ice becoming water
25. 25.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to ice (c) it turns to salt (d) some water evaporates
26. 26.True or false: wet hair drying is condensation. (a) False (b) True
27. 27.💧 Which change is this: dew on morning grass? (a) evaporation (b) melting (c) freezing (d) condensation
28. 28.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) yeast (b) sunlight (c) cling film (d) ice cubes
29. 29.True or false: a small cup is needed for the water cycle bowl. (a) False (b) True
30. 30.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the air outside (c) the cling film (d) water warmed by the Sun
31. 31.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a big bowl (c) a balloon (d) a small cup
32. 32.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) water (c) turmeric powder (d) a mirror
33. 33.💧 Which of these is evaporation? (a) snow turning to water (b) butter going runny (c) a pond icing over (d) wet hair drying
34. 34.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is magnetic (c) hot water is heavy (d) hot water can scald
35. 35.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) dew on morning grass (c) a pond icing over (d) drops under a pot lid
36. 36.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) wipe them dry (c) slide on them (d) leave them wet
37. 37.True or false: ice cubes is not needed for the water cycle bowl. (a) False (b) True
38. 38.⚖️ 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 keep it the same (b) we change it (c) we measure it
39. 39.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
40. 40.🔍 Which is the odd one out? (a) sweat drying on skin (b) ice becoming water (c) butter going runny (d) snow turning to water

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