Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 325 · 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.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
2. 2.💧 Why do water drops form on the outside of a glass of ice water? (a) vapour in air cools (b) the glass leaks (c) the glass sweats (d) ice escapes the glass
3. 3.⚖️ 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
4. 4.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) it changes colour (c) hot water can scald (d) hot water is heavy
5. 5.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False
6. 6.💧 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
7. 7.⚖️ 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 amount of water (c) the cling film cover (d) sun or shade
8. 8.⚖️ 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 change it (c) we measure it
9. 9.💧 Which of these is freezing? (a) a misty bathroom mirror (b) water becoming ice (c) snow turning to water (d) drops under a pot lid
10. 10.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
11. 11.💧 Which of these is freezing? (a) a pond icing over (b) snow turning to water (c) ice becoming water (d) a misty bathroom mirror
12. 12.🔍 Which is the odd one out? (a) wet hair drying (b) a puddle drying up (c) water becoming ice (d) wet clothes drying
13. 13.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) water (c) a small cup (d) a mirror
14. 14.⚖️ 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) how many drops form (c) the size of the bowl (d) sun or shade
15. 15.💧 Which of these is evaporation? (a) a misty bathroom mirror (b) wet clothes drying (c) drops on a cold glass (d) snow turning to water
16. 16.True or false: making ice lollies is freezing. (a) True (b) False
17. 17.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the cling film cover”? (a) we change it (b) we keep it the same (c) we measure it
18. 18.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the bowl itself (c) water warmed by the Sun (d) the cling film
19. 19.🔮 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) some water evaporates (d) it turns to salt
20. 20.⚖️ 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
21. 21.💧 Which of these is evaporation? (a) a puddle drying up (b) ice becoming water (c) water becoming ice (d) dew on morning grass
22. 22.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
23. 23.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) ice cubes (c) a big bowl (d) a magnet
24. 24.⚖️ 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
25. 25.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) slower (c) they turn to ice (d) faster
26. 26.💧 Which change is this: wet clothes drying? (a) freezing (b) condensation (c) evaporation (d) melting
27. 27.True or false: drops on a cold glass is melting. (a) False (b) True
28. 28.⚖️ 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 amount of water (b) how many drops form (c) sun or shade
29. 29.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) water (c) turmeric powder (d) a small cup
30. 30.🔍 Which is the odd one out? (a) snow turning to water (b) butter going runny (c) ice becoming water (d) wet clothes drying
31. 31.💧 Which change is this: sweat drying on skin? (a) condensation (b) freezing (c) evaporation (d) melting
32. 32.⚖️ 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) True (b) False
33. 33.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) sunlight (c) ice cubes (d) a magnet
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 the one thing we change. (a) False (b) True
35. 35.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) yeast (b) a small cup (c) a big bowl (d) water
36. 36.💧 Which of these is evaporation? (a) wet hair drying (b) butter going runny (c) drops under a pot lid (d) snow turning to water
37. 37.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is what we measure. (a) True (b) False
38. 38.True or false: a magnet is not needed for the water cycle bowl. (a) True (b) False
39. 39.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True
40. 40.🧺 Which of these is not needed for the water cycle bowl? (a) a battery cell (b) water (c) a big bowl (d) sunlight

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